./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter_iir.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter_iir.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje --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 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:24:40,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:24:40,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:24:40,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:24:40,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:24:40,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:24:40,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:24:40,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:24:40,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:24:40,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:24:40,996 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:24:40,996 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:24:40,997 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:24:40,997 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:24:40,997 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:24:40,998 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:24:40,998 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:24:40,998 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:24:40,998 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:24:41,001 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:24:41,004 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:24:41,004 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:24:41,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:24:41,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:24:41,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:24:41,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:24:41,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:24:41,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:24:41,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:24:41,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:24:41,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:24:41,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:24:41,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:24:41,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:24:41,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:24:41,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:24:41,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:24:41,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:24:41,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:24:41,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:24:41,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:24:41,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:24:41,011 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:24:41,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:24:41,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:24:41,012 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:24:41,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:24:41,012 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_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 [2024-11-09 06:24:41,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:24:41,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:24:41,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:24:41,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:24:41,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:24:41,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-benchs/filter_iir.c Unable to find full path for "g++" [2024-11-09 06:24:43,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:24:43,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:24:43,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/sv-benchmarks/c/float-benchs/filter_iir.c [2024-11-09 06:24:43,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data/4205284ec/ed32067e9110461783c4a561072b2cbd/FLAG77bf15deb [2024-11-09 06:24:43,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data/4205284ec/ed32067e9110461783c4a561072b2cbd [2024-11-09 06:24:43,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:24:43,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:24:43,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:24:43,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:24:43,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:24:43,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afaae32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43, skipping insertion in model container [2024-11-09 06:24:43,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:24:43,795 WARN L250 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_6c84bef1-08c3-4374-ad79-601df6a513bd/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-09 06:24:43,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:24:43,838 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:24:43,848 WARN L250 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_6c84bef1-08c3-4374-ad79-601df6a513bd/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-09 06:24:43,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:24:43,883 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:24:43,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43 WrapperNode [2024-11-09 06:24:43,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:24:43,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:24:43,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:24:43,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:24:43,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,926 INFO L138 Inliner]: procedures = 18, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139 [2024-11-09 06:24:43,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:24:43,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:24:43,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:24:43,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:24:43,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:24:43,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:24:43,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:24:43,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:24:43,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (1/1) ... [2024-11-09 06:24:43,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:24:43,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:24:44,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:24:44,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:24:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:24:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:24:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:24:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:24:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:24:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:24:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:24:44,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:24:44,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:24:44,326 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 06:24:44,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:24:44,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:24:44,437 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:24:44,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:24:44 BoogieIcfgContainer [2024-11-09 06:24:44,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:24:44,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:24:44,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:24:44,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:24:44,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:24:43" (1/3) ... [2024-11-09 06:24:44,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97d4562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:24:44, skipping insertion in model container [2024-11-09 06:24:44,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:43" (2/3) ... [2024-11-09 06:24:44,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97d4562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:24:44, skipping insertion in model container [2024-11-09 06:24:44,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:24:44" (3/3) ... [2024-11-09 06:24:44,446 INFO L112 eAbstractionObserver]: Analyzing ICFG filter_iir.c [2024-11-09 06:24:44,465 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:24:44,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:24:44,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:24:44,525 INFO L333 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, 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;@1329ef57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:24:44,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:24:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-09 06:24:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:24:44,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:44,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:24:44,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:44,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2567024, now seen corresponding path program 1 times [2024-11-09 06:24:44,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:24:44,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593762761] [2024-11-09 06:24:44,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:24:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:24:44,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:24:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:24:44,990 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:24:44,992 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:24:44,993 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:24:44,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:24:44,999 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:24:45,034 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:24:45,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:24:45 BoogieIcfgContainer [2024-11-09 06:24:45,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:24:45,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:24:45,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:24:45,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:24:45,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:24:44" (3/4) ... [2024-11-09 06:24:45,044 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:24:45,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:24:45,046 INFO L158 Benchmark]: Toolchain (without parser) took 1515.25ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 66.7MB in the end (delta: 64.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-09 06:24:45,047 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:24:45,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.62ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 121.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:24:45,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.93ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 119.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:45,050 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 159.4MB. Free memory was 119.3MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:45,051 INFO L158 Benchmark]: RCFGBuilder took 477.87ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 97.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 06:24:45,052 INFO L158 Benchmark]: TraceAbstraction took 599.32ms. Allocated memory is still 159.4MB. Free memory was 96.3MB in the beginning and 67.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 06:24:45,052 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 159.4MB. Free memory was 67.0MB in the beginning and 66.7MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:24:45,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.62ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 121.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.93ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 119.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 159.4MB. Free memory was 119.3MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.87ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 97.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 599.32ms. Allocated memory is still 159.4MB. Free memory was 96.3MB in the beginning and 67.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 159.4MB. Free memory was 67.0MB in the beginning and 66.7MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of to_real at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 28. Possible FailurePath: [L16] double A1[3] = { 1, 0.5179422053046, 1.0 }; [L17] double b1[2] = { 1.470767736573, 0.5522073405779 }; [L18] double A2[3] = { 1, 1.633101801841, 1.0 }; [L19] double b2[2] = { 1.742319554830, 0.820939679242 }; [L21] double D1[2], D2[2]; [L22] double P, X; [L43] D1[0] = 0. [L43] D1[1] = 0. [L44] D2[0] = 0. [L44] D2[1] = 0. [L45] P = 0. VAL [A1={4:0}, A2={6:0}, D1={8:0}, D2={9:0}, P={10:0}, X={11:0}, b1={5:0}, b2={7:0}] [L47] COND TRUE 1 [L49] X = __VERIFIER_nondet_double() [L50] EXPR \read(X) [L50] EXPR X >= -10. && X <= 10. [L50] EXPR \read(X) [L50] EXPR X >= -10. && X <= 10. [L50] CALL assume_abort_if_not(X >= -10. && X <= 10.) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(X >= -10. && X <= 10.) [L52] CALL iir4(&X, &P) [L26] double x1, y1, t1, t2; [L28] EXPR \read(*x) [L28] x1 = 0.0117749388721091 * *x [L30] EXPR b1[0] [L30] EXPR D1[0] [L30] EXPR b1[1] [L30] EXPR D1[1] [L30] t1 = x1 + b1[0]*D1[0] - b1[1]*D1[1] [L31] EXPR A1[0] [L31] EXPR A1[1] [L31] EXPR D1[0] [L31] EXPR A1[2] [L31] EXPR D1[1] [L31] y1 = A1[0]*t1 - A1[1]*D1[0] + A1[2]*D1[1] [L32] EXPR D1[0] [L32] D1[1] = D1[0] [L33] D1[0] = t1 [L35] EXPR b2[0] [L35] EXPR D2[0] [L35] EXPR b2[1] [L35] EXPR D2[1] [L35] t2 = y1 + b2[0]*D2[0] - b2[1]*D2[1] [L36] EXPR A2[0] [L36] EXPR A2[1] [L36] EXPR D2[0] [L36] EXPR A2[2] [L36] EXPR D2[1] [L36] *y = A2[0]*t2 - A2[1]*D2[0] + A2[2]*D2[1] [L37] EXPR D2[0] [L37] D2[1] = D2[0] [L38] D2[0] = t2 [L52] RET iir4(&X, &P) [L54] EXPR \read(P) [L54] EXPR P >= -1e30 && P <= 1e30 [L54] CALL __VERIFIER_assert(P >= -1e30 && P <= 1e30) [L13] COND TRUE !(cond) VAL [A1={4:0}, A2={6:0}, D1={8:0}, D2={9:0}, P={10:0}, X={11:0}, b1={5:0}, b2={7:0}] [L13] reach_error() VAL [A1={4:0}, A2={6:0}, D1={8:0}, D2={9:0}, P={10:0}, X={11:0}, b1={5:0}, b2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:24:45,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter_iir.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje --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 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:24:47,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:24:47,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:24:47,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:24:47,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:24:47,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:24:47,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:24:47,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:24:47,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:24:47,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:24:47,602 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:24:47,602 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:24:47,603 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:24:47,603 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:24:47,604 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:24:47,604 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:24:47,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:24:47,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:24:47,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:24:47,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:24:47,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:24:47,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:24:47,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:24:47,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:24:47,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:24:47,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:24:47,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:24:47,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:24:47,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:24:47,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:24:47,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:24:47,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:24:47,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:24:47,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:24:47,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:24:47,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:24:47,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:24:47,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:24:47,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:24:47,617 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:24:47,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:24:47,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:24:47,619 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:24:47,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 [2024-11-09 06:24:48,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:24:48,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:24:48,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:24:48,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:24:48,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:24:48,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-benchs/filter_iir.c Unable to find full path for "g++" [2024-11-09 06:24:50,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:24:50,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:24:50,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/sv-benchmarks/c/float-benchs/filter_iir.c [2024-11-09 06:24:50,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data/279dfa097/615bd42d2bbc4c428c4bd9d68422e05c/FLAG1150b5022 [2024-11-09 06:24:50,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/data/279dfa097/615bd42d2bbc4c428c4bd9d68422e05c [2024-11-09 06:24:50,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:24:50,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:24:50,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:24:50,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:24:50,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:24:50,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:50,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6e50b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50, skipping insertion in model container [2024-11-09 06:24:50,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:50,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:24:50,872 WARN L250 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_6c84bef1-08c3-4374-ad79-601df6a513bd/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-09 06:24:50,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:24:50,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:24:50,934 WARN L250 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_6c84bef1-08c3-4374-ad79-601df6a513bd/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-09 06:24:50,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:24:50,993 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:24:50,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50 WrapperNode [2024-11-09 06:24:50,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:24:50,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:24:50,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:24:50,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:24:51,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,061 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 140 [2024-11-09 06:24:51,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:24:51,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:24:51,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:24:51,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:24:51,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:24:51,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:24:51,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:24:51,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:24:51,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (1/1) ... [2024-11-09 06:24:51,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:24:51,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:24:51,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:24:51,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:24:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:24:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:24:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:24:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:24:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:24:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:24:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:24:51,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:24:51,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:24:54,154 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 06:24:54,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:24:54,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:24:54,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:24:54,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:24:54 BoogieIcfgContainer [2024-11-09 06:24:54,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:24:54,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:24:54,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:24:54,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:24:54,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:24:50" (1/3) ... [2024-11-09 06:24:54,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274d7034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:24:54, skipping insertion in model container [2024-11-09 06:24:54,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:24:50" (2/3) ... [2024-11-09 06:24:54,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274d7034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:24:54, skipping insertion in model container [2024-11-09 06:24:54,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:24:54" (3/3) ... [2024-11-09 06:24:54,177 INFO L112 eAbstractionObserver]: Analyzing ICFG filter_iir.c [2024-11-09 06:24:54,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:24:54,195 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:24:54,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:24:54,294 INFO L333 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, 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;@1b6efac4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:24:54,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:24:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 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) [2024-11-09 06:24:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:24:54,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:54,308 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:24:54,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:54,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1560639313, now seen corresponding path program 1 times [2024-11-09 06:24:54,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:24:54,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899646094] [2024-11-09 06:24:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:54,339 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 [2024-11-09 06:24:54,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:24:54,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:24:54,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:24:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:24:57,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:24:57,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:24:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:24:57,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:24:57,314 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:24:57,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899646094] [2024-11-09 06:24:57,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899646094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:24:57,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:24:57,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:24:57,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810153568] [2024-11-09 06:24:57,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:24:57,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:24:57,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:24:57,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:24:57,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:24:57,346 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:24:57,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:24:57,360 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2024-11-09 06:24:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:24:57,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 06:24:57,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:24:57,371 INFO L225 Difference]: With dead ends: 30 [2024-11-09 06:24:57,371 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 06:24:57,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:24:57,382 INFO L432 NwaCegarLoop]: 16 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, 16 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 [2024-11-09 06:24:57,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:24:57,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 06:24:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 06:24:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 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) [2024-11-09 06:24:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-11-09 06:24:57,415 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 12 [2024-11-09 06:24:57,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:24:57,416 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-09 06:24:57,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:24:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 06:24:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:24:57,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:57,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:24:57,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:24:57,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:24:57,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:57,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:57,620 INFO L85 PathProgramCache]: Analyzing trace with hash -959320621, now seen corresponding path program 1 times [2024-11-09 06:24:57,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:24:57,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131836300] [2024-11-09 06:24:57,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:57,621 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 [2024-11-09 06:24:57,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:24:57,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:24:57,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c84bef1-08c3-4374-ad79-601df6a513bd/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:29:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:03,454 WARN L253 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-09 06:29:03,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:09,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 216 [2024-11-09 06:29:09,671 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:29:09,683 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:29:09,694 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:29:09,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2024-11-09 06:29:09,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:29:09,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:29:09,861 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:29:09,906 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:29:09,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 25 disjoint index pairs (out of 231 index pairs), introduced 23 new quantified variables, introduced 30 case distinctions, treesize of input 240 treesize of output 317 [2024-11-09 06:29:10,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 221 [2024-11-09 06:29:16,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 221 [2024-11-09 06:29:39,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 1293 treesize of output 989 [2024-11-09 06:29:42,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:29:42,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 825 treesize of output 727 [2024-11-09 06:29:43,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:29:43,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 804 treesize of output 688 [2024-11-09 06:29:50,308 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= ((_ extract 63 32) v_skolemized_v_prenex_21_6) ((_ extract 31 0) v_skolemized_v_prenex_21_6)) [2024-11-09 06:29:52,313 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= ((_ extract 63 32) v_skolemized_v_prenex_21_6) ((_ extract 31 0) v_skolemized_v_prenex_21_6)) [2024-11-09 06:29:52,314 INFO L224 Elim1Store]: Index analysis took 4012 ms [2024-11-09 06:29:54,322 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= ((_ extract 63 32) v_skolemized_v_prenex_21_6) (select (select |#memory_int| (_ bv10 32)) (_ bv4 32))) [2024-11-09 06:29:56,328 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= ((_ extract 63 32) v_skolemized_v_prenex_21_6) (select (select |#memory_int| (_ bv10 32)) (_ bv4 32))) [2024-11-09 06:29:58,332 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_int| (_ bv10 32)) (_ bv0 32)) ((_ extract 31 0) v_skolemized_v_prenex_21_6)) [2024-11-09 06:30:00,335 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |#memory_int| (_ bv10 32)) (_ bv0 32)) ((_ extract 31 0) v_skolemized_v_prenex_21_6)) [2024-11-09 06:30:02,343 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_int| (_ bv10 32)) (_ bv0 32)) ((_ extract 63 32) v_skolemized_v_prenex_21_6)) [2024-11-09 06:30:04,349 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |#memory_int| (_ bv10 32)) (_ bv0 32)) ((_ extract 63 32) v_skolemized_v_prenex_21_6)) [2024-11-09 06:30:04,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 17 [2024-11-09 06:31:24,510 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:32:18,700 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse36 (select |c_#memory_int| (_ bv6 32)))) (let ((.cse0 (select .cse36 (_ bv12 32))) (.cse19 (select .cse36 (_ bv0 32))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) (.cse18 (select .cse36 (_ bv4 32))) (.cse21 (let ((.cse45 (let ((.cse46 (select |c_#memory_int| (_ bv11 32)))) (concat (select .cse46 (_ bv4 32)) (select .cse46 (_ bv0 32)))))) (fp ((_ extract 63 63) .cse45) ((_ extract 62 52) .cse45) ((_ extract 51 0) .cse45)))) (.cse44 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse38 (select .cse36 (_ bv20 32))) (.cse39 (select .cse36 (_ bv16 32)))) (and (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) ((_ to_fp 11 53) c_currentRoundingMode (/ 1633101801841.0 1000000000000.0))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|)))) (exists ((|~#b2~0.offset| (_ BitVec 32)) (v_skolemized_v_prenex_9_5 (_ BitVec 64)) (|~#A1~0.offset| (_ BitVec 32)) (v_skolemized_v_prenex_21_6 (_ BitVec 64)) (v_skolemized_v_prenex_11_5 (_ BitVec 64)) (v_skolemized_v_prenex_12_5 (_ BitVec 64)) (v_skolemized_v_prenex_23_6 (_ BitVec 64)) (|~#b1~0.offset| (_ BitVec 32)) (v_skolemized_v_prenex_13_5 (_ BitVec 64)) (v_skolemized_v_prenex_6_5 (_ BitVec 64)) (v_skolemized_v_prenex_7_5 (_ BitVec 64)) (v_skolemized_v_prenex_8_5 (_ BitVec 64)) (v_skolemized_v_prenex_19_5 (_ BitVec 64)) (v_skolemized_v_prenex_16_5 (_ BitVec 64)) (v_skolemized_v_prenex_17_5 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_20| (_ BitVec 64))) (let ((.cse31 (select |c_#memory_int| (_ bv7 32))) (.cse43 (select |c_#memory_int| (_ bv5 32))) (.cse42 (select |c_#memory_int| (_ bv4 32)))) (let ((.cse3 (select |c_#memory_int| (_ bv10 32))) (.cse13 (select .cse42 (bvadd (_ bv4 32) |~#A1~0.offset|))) (.cse4 (select .cse42 |~#A1~0.offset|)) (.cse12 (select .cse43 (bvadd (_ bv4 32) |~#b1~0.offset|))) (.cse9 (select .cse43 |~#b1~0.offset|)) (.cse16 (select .cse43 (bvadd (_ bv12 32) |~#b1~0.offset|))) (.cse10 (select .cse43 (bvadd (_ bv8 32) |~#b1~0.offset|))) (.cse15 (select .cse42 (bvadd (_ bv12 32) |~#A1~0.offset|))) (.cse11 (select .cse42 (bvadd (_ bv8 32) |~#A1~0.offset|))) (.cse6 (select .cse42 (bvadd (_ bv20 32) |~#A1~0.offset|))) (.cse8 (select .cse42 (bvadd (_ bv16 32) |~#A1~0.offset|))) (.cse7 (select .cse31 (bvadd (_ bv4 32) |~#b2~0.offset|))) (.cse2 (select .cse31 (bvadd (_ bv8 32) |~#b2~0.offset|))) (.cse14 (let ((.cse41 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_20|)))) (fp ((_ extract 63 63) .cse41) ((_ extract 62 52) .cse41) ((_ extract 51 0) .cse41)))) (.cse33 (select .cse31 (bvadd (_ bv12 32) |~#b2~0.offset|)))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_20|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_5) ((_ extract 62 52) v_skolemized_v_prenex_7_5) ((_ extract 51 0) v_skolemized_v_prenex_7_5)) .cse1) (= ((_ extract 31 0) v_skolemized_v_prenex_13_5) .cse2) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_11_5) ((_ extract 62 52) v_skolemized_v_prenex_11_5) ((_ extract 51 0) v_skolemized_v_prenex_11_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 174231955483.0 100000000000.0))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_9_5) ((_ extract 62 52) v_skolemized_v_prenex_9_5) ((_ extract 51 0) v_skolemized_v_prenex_9_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 5522073405779.0 10000000000000.0))) (= ((_ extract 63 32) v_skolemized_v_prenex_21_6) (select .cse3 (_ bv4 32))) (= ((_ extract 31 0) v_skolemized_v_prenex_6_5) .cse4) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_19_5) ((_ extract 62 52) v_skolemized_v_prenex_19_5) ((_ extract 51 0) v_skolemized_v_prenex_19_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_6_5) ((_ extract 62 52) v_skolemized_v_prenex_6_5) ((_ extract 51 0) v_skolemized_v_prenex_6_5)) .cse5) (= .cse6 ((_ extract 63 32) v_skolemized_v_prenex_7_5)) (= ((_ extract 63 32) v_skolemized_v_prenex_11_5) .cse7) (= ((_ extract 31 0) v_skolemized_v_prenex_7_5) .cse8) (= ((_ extract 31 0) v_skolemized_v_prenex_8_5) .cse9) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_17_5) ((_ extract 62 52) v_skolemized_v_prenex_17_5) ((_ extract 51 0) v_skolemized_v_prenex_17_5))) (= .cse10 ((_ extract 31 0) v_skolemized_v_prenex_9_5)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_12_5) ((_ extract 62 52) v_skolemized_v_prenex_12_5) ((_ extract 51 0) v_skolemized_v_prenex_12_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 2589711026523.0 5000000000000.0))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_16_5) ((_ extract 62 52) v_skolemized_v_prenex_16_5) ((_ extract 51 0) v_skolemized_v_prenex_16_5))) (= .cse11 ((_ extract 31 0) v_skolemized_v_prenex_12_5)) (= ((_ extract 63 32) v_skolemized_v_prenex_8_5) .cse12) (= ((_ extract 63 32) v_skolemized_v_prenex_6_5) .cse13) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_23_6) ((_ extract 62 52) v_skolemized_v_prenex_23_6) ((_ extract 51 0) v_skolemized_v_prenex_23_6)) .cse14) (= ((_ extract 31 0) v_skolemized_v_prenex_21_6) (select .cse3 (_ bv0 32))) (= .cse15 ((_ extract 63 32) v_skolemized_v_prenex_12_5)) (= .cse16 ((_ extract 63 32) v_skolemized_v_prenex_9_5)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_8_5) ((_ extract 62 52) v_skolemized_v_prenex_8_5) ((_ extract 51 0) v_skolemized_v_prenex_8_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 1470767736573.0 1000000000000.0))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_21_6) ((_ extract 62 52) v_skolemized_v_prenex_21_6) ((_ extract 51 0) v_skolemized_v_prenex_21_6)) (let ((.cse34 (let ((.cse40 (concat ((_ extract 63 32) v_skolemized_v_prenex_17_5) ((_ extract 31 0) v_skolemized_v_prenex_17_5)))) (fp ((_ extract 63 63) .cse40) ((_ extract 62 52) .cse40) ((_ extract 51 0) .cse40))))) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse17 (concat .cse18 .cse19))) (fp ((_ extract 63 63) .cse17) ((_ extract 62 52) .cse17) ((_ extract 51 0) .cse17))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse25 (let ((.cse29 (concat ((_ extract 63 32) v_skolemized_v_prenex_16_5) ((_ extract 31 0) v_skolemized_v_prenex_16_5)))) (fp ((_ extract 63 63) .cse29) ((_ extract 62 52) .cse29) ((_ extract 51 0) .cse29))))) (fp.add c_currentRoundingMode (let ((.cse23 (let ((.cse27 (concat ((_ extract 63 32) v_skolemized_v_prenex_19_5) ((_ extract 31 0) v_skolemized_v_prenex_19_5)))) (fp ((_ extract 63 63) .cse27) ((_ extract 62 52) .cse27) ((_ extract 51 0) .cse27))))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse20 (concat .cse13 .cse4))) (fp ((_ extract 63 63) .cse20) ((_ extract 62 52) .cse20) ((_ extract 51 0) .cse20))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 117749388721091.0 10000000000000000.0)) .cse21) (fp.mul c_currentRoundingMode (let ((.cse22 (concat .cse12 .cse9))) (fp ((_ extract 63 63) .cse22) ((_ extract 62 52) .cse22) ((_ extract 51 0) .cse22))) .cse23)) (fp.mul c_currentRoundingMode (let ((.cse24 (concat .cse16 .cse10))) (fp ((_ extract 63 63) .cse24) ((_ extract 62 52) .cse24) ((_ extract 51 0) .cse24))) .cse25))) (fp.mul c_currentRoundingMode (let ((.cse26 (concat .cse15 .cse11))) (fp ((_ extract 63 63) .cse26) ((_ extract 62 52) .cse26) ((_ extract 51 0) .cse26))) .cse23))) (fp.mul c_currentRoundingMode (let ((.cse28 (concat .cse6 .cse8))) (fp ((_ extract 63 63) .cse28) ((_ extract 62 52) .cse28) ((_ extract 51 0) .cse28))) .cse25))) (fp.mul c_currentRoundingMode (let ((.cse30 (concat .cse7 (select .cse31 |~#b2~0.offset|)))) (fp ((_ extract 63 63) .cse30) ((_ extract 62 52) .cse30) ((_ extract 51 0) .cse30))) .cse14)) (fp.mul c_currentRoundingMode (let ((.cse32 (concat .cse33 .cse2))) (fp ((_ extract 63 63) .cse32) ((_ extract 62 52) .cse32) ((_ extract 51 0) .cse32))) .cse34))) (fp.mul c_currentRoundingMode (let ((.cse35 (concat .cse0 (select .cse36 (_ bv8 32))))) (fp ((_ extract 63 63) .cse35) ((_ extract 62 52) .cse35) ((_ extract 51 0) .cse35))) .cse14)) (fp.mul c_currentRoundingMode (let ((.cse37 (concat .cse38 .cse39))) (fp ((_ extract 63 63) .cse37) ((_ extract 62 52) .cse37) ((_ extract 51 0) .cse37))) .cse34)))) (= ((_ extract 63 32) v_skolemized_v_prenex_13_5) .cse33) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_13_5) ((_ extract 62 52) v_skolemized_v_prenex_13_5) ((_ extract 51 0) v_skolemized_v_prenex_13_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 410469839621.0 500000000000.0))))))) (exists ((v_skolemized_v_prenex_5_5 (_ BitVec 64))) (and (= ((_ extract 31 0) v_skolemized_v_prenex_5_5) .cse19) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_5_5) ((_ extract 62 52) v_skolemized_v_prenex_5_5) ((_ extract 51 0) v_skolemized_v_prenex_5_5)) .cse5) (= .cse18 ((_ extract 63 32) v_skolemized_v_prenex_5_5)))) (fp.geq .cse21 (fp.neg .cse44)) (fp.leq .cse21 .cse44) (= (_ bv0 32) |c_~#P~0.offset|) (exists ((v_skolemized_v_prenex_14_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_14_5) ((_ extract 62 52) v_skolemized_v_prenex_14_5) ((_ extract 51 0) v_skolemized_v_prenex_14_5)) .cse1) (= ((_ extract 63 32) v_skolemized_v_prenex_14_5) .cse38) (= ((_ extract 31 0) v_skolemized_v_prenex_14_5) .cse39))) (= |c_~#P~0.base| (_ bv10 32)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-09 06:34:34,500 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse48 (select |c_#memory_int| (_ bv10 32))) (.cse37 (select |c_#memory_int| (_ bv6 32)))) (let ((.cse0 (select .cse37 (_ bv12 32))) (.cse20 (select .cse37 (_ bv0 32))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) (.cse19 (select .cse37 (_ bv4 32))) (.cse22 (let ((.cse49 (let ((.cse50 (select |c_#memory_int| (_ bv11 32)))) (concat (select .cse50 (_ bv4 32)) (select .cse50 (_ bv0 32)))))) (fp ((_ extract 63 63) .cse49) ((_ extract 62 52) .cse49) ((_ extract 51 0) .cse49)))) (.cse45 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse39 (select .cse37 (_ bv20 32))) (.cse40 (select .cse37 (_ bv16 32))) (.cse3 (select .cse48 (_ bv4 32))) (.cse15 (select .cse48 (_ bv0 32)))) (and (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) ((_ to_fp 11 53) c_currentRoundingMode (/ 1633101801841.0 1000000000000.0))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|)))) (exists ((|~#b2~0.offset| (_ BitVec 32)) (v_skolemized_v_prenex_9_5 (_ BitVec 64)) (|~#A1~0.offset| (_ BitVec 32)) (v_skolemized_v_prenex_21_6 (_ BitVec 64)) (v_skolemized_v_prenex_11_5 (_ BitVec 64)) (v_skolemized_v_prenex_12_5 (_ BitVec 64)) (v_skolemized_v_prenex_23_6 (_ BitVec 64)) (v_skolemized_v_prenex_13_5 (_ BitVec 64)) (|~#b1~0.offset| (_ BitVec 32)) (v_skolemized_v_prenex_6_5 (_ BitVec 64)) (v_skolemized_v_prenex_7_5 (_ BitVec 64)) (v_skolemized_v_prenex_8_5 (_ BitVec 64)) (v_skolemized_v_prenex_19_5 (_ BitVec 64)) (v_skolemized_v_prenex_16_5 (_ BitVec 64)) (v_skolemized_v_prenex_17_5 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_20| (_ BitVec 64))) (let ((.cse32 (select |c_#memory_int| (_ bv7 32))) (.cse44 (select |c_#memory_int| (_ bv5 32))) (.cse43 (select |c_#memory_int| (_ bv4 32)))) (let ((.cse13 (select .cse43 (bvadd (_ bv4 32) |~#A1~0.offset|))) (.cse4 (select .cse43 |~#A1~0.offset|)) (.cse12 (select .cse44 (bvadd (_ bv4 32) |~#b1~0.offset|))) (.cse9 (select .cse44 |~#b1~0.offset|)) (.cse17 (select .cse44 (bvadd (_ bv12 32) |~#b1~0.offset|))) (.cse10 (select .cse44 (bvadd (_ bv8 32) |~#b1~0.offset|))) (.cse16 (select .cse43 (bvadd (_ bv12 32) |~#A1~0.offset|))) (.cse11 (select .cse43 (bvadd (_ bv8 32) |~#A1~0.offset|))) (.cse6 (select .cse43 (bvadd (_ bv20 32) |~#A1~0.offset|))) (.cse8 (select .cse43 (bvadd (_ bv16 32) |~#A1~0.offset|))) (.cse7 (select .cse32 (bvadd (_ bv4 32) |~#b2~0.offset|))) (.cse2 (select .cse32 (bvadd (_ bv8 32) |~#b2~0.offset|))) (.cse14 (let ((.cse42 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_20|)))) (fp ((_ extract 63 63) .cse42) ((_ extract 62 52) .cse42) ((_ extract 51 0) .cse42)))) (.cse34 (select .cse32 (bvadd (_ bv12 32) |~#b2~0.offset|)))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_20|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_5) ((_ extract 62 52) v_skolemized_v_prenex_7_5) ((_ extract 51 0) v_skolemized_v_prenex_7_5)) .cse1) (= ((_ extract 31 0) v_skolemized_v_prenex_13_5) .cse2) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_11_5) ((_ extract 62 52) v_skolemized_v_prenex_11_5) ((_ extract 51 0) v_skolemized_v_prenex_11_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 174231955483.0 100000000000.0))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_9_5) ((_ extract 62 52) v_skolemized_v_prenex_9_5) ((_ extract 51 0) v_skolemized_v_prenex_9_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 5522073405779.0 10000000000000.0))) (= ((_ extract 63 32) v_skolemized_v_prenex_21_6) .cse3) (= ((_ extract 31 0) v_skolemized_v_prenex_6_5) .cse4) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_19_5) ((_ extract 62 52) v_skolemized_v_prenex_19_5) ((_ extract 51 0) v_skolemized_v_prenex_19_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_6_5) ((_ extract 62 52) v_skolemized_v_prenex_6_5) ((_ extract 51 0) v_skolemized_v_prenex_6_5)) .cse5) (= .cse6 ((_ extract 63 32) v_skolemized_v_prenex_7_5)) (= ((_ extract 63 32) v_skolemized_v_prenex_11_5) .cse7) (= ((_ extract 31 0) v_skolemized_v_prenex_7_5) .cse8) (= ((_ extract 31 0) v_skolemized_v_prenex_8_5) .cse9) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_17_5) ((_ extract 62 52) v_skolemized_v_prenex_17_5) ((_ extract 51 0) v_skolemized_v_prenex_17_5))) (= .cse10 ((_ extract 31 0) v_skolemized_v_prenex_9_5)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_12_5) ((_ extract 62 52) v_skolemized_v_prenex_12_5) ((_ extract 51 0) v_skolemized_v_prenex_12_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 2589711026523.0 5000000000000.0))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_16_5) ((_ extract 62 52) v_skolemized_v_prenex_16_5) ((_ extract 51 0) v_skolemized_v_prenex_16_5))) (= .cse11 ((_ extract 31 0) v_skolemized_v_prenex_12_5)) (= ((_ extract 63 32) v_skolemized_v_prenex_8_5) .cse12) (= ((_ extract 63 32) v_skolemized_v_prenex_6_5) .cse13) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_23_6) ((_ extract 62 52) v_skolemized_v_prenex_23_6) ((_ extract 51 0) v_skolemized_v_prenex_23_6)) .cse14) (= ((_ extract 31 0) v_skolemized_v_prenex_21_6) .cse15) (= .cse16 ((_ extract 63 32) v_skolemized_v_prenex_12_5)) (= .cse17 ((_ extract 63 32) v_skolemized_v_prenex_9_5)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_8_5) ((_ extract 62 52) v_skolemized_v_prenex_8_5) ((_ extract 51 0) v_skolemized_v_prenex_8_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 1470767736573.0 1000000000000.0))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_21_6) ((_ extract 62 52) v_skolemized_v_prenex_21_6) ((_ extract 51 0) v_skolemized_v_prenex_21_6)) (let ((.cse35 (let ((.cse41 (concat ((_ extract 63 32) v_skolemized_v_prenex_17_5) ((_ extract 31 0) v_skolemized_v_prenex_17_5)))) (fp ((_ extract 63 63) .cse41) ((_ extract 62 52) .cse41) ((_ extract 51 0) .cse41))))) (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse18 (concat .cse19 .cse20))) (fp ((_ extract 63 63) .cse18) ((_ extract 62 52) .cse18) ((_ extract 51 0) .cse18))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse26 (let ((.cse30 (concat ((_ extract 63 32) v_skolemized_v_prenex_16_5) ((_ extract 31 0) v_skolemized_v_prenex_16_5)))) (fp ((_ extract 63 63) .cse30) ((_ extract 62 52) .cse30) ((_ extract 51 0) .cse30))))) (fp.add c_currentRoundingMode (let ((.cse24 (let ((.cse28 (concat ((_ extract 63 32) v_skolemized_v_prenex_19_5) ((_ extract 31 0) v_skolemized_v_prenex_19_5)))) (fp ((_ extract 63 63) .cse28) ((_ extract 62 52) .cse28) ((_ extract 51 0) .cse28))))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse21 (concat .cse13 .cse4))) (fp ((_ extract 63 63) .cse21) ((_ extract 62 52) .cse21) ((_ extract 51 0) .cse21))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 117749388721091.0 10000000000000000.0)) .cse22) (fp.mul c_currentRoundingMode (let ((.cse23 (concat .cse12 .cse9))) (fp ((_ extract 63 63) .cse23) ((_ extract 62 52) .cse23) ((_ extract 51 0) .cse23))) .cse24)) (fp.mul c_currentRoundingMode (let ((.cse25 (concat .cse17 .cse10))) (fp ((_ extract 63 63) .cse25) ((_ extract 62 52) .cse25) ((_ extract 51 0) .cse25))) .cse26))) (fp.mul c_currentRoundingMode (let ((.cse27 (concat .cse16 .cse11))) (fp ((_ extract 63 63) .cse27) ((_ extract 62 52) .cse27) ((_ extract 51 0) .cse27))) .cse24))) (fp.mul c_currentRoundingMode (let ((.cse29 (concat .cse6 .cse8))) (fp ((_ extract 63 63) .cse29) ((_ extract 62 52) .cse29) ((_ extract 51 0) .cse29))) .cse26))) (fp.mul c_currentRoundingMode (let ((.cse31 (concat .cse7 (select .cse32 |~#b2~0.offset|)))) (fp ((_ extract 63 63) .cse31) ((_ extract 62 52) .cse31) ((_ extract 51 0) .cse31))) .cse14)) (fp.mul c_currentRoundingMode (let ((.cse33 (concat .cse34 .cse2))) (fp ((_ extract 63 63) .cse33) ((_ extract 62 52) .cse33) ((_ extract 51 0) .cse33))) .cse35))) (fp.mul c_currentRoundingMode (let ((.cse36 (concat .cse0 (select .cse37 (_ bv8 32))))) (fp ((_ extract 63 63) .cse36) ((_ extract 62 52) .cse36) ((_ extract 51 0) .cse36))) .cse14)) (fp.mul c_currentRoundingMode (let ((.cse38 (concat .cse39 .cse40))) (fp ((_ extract 63 63) .cse38) ((_ extract 62 52) .cse38) ((_ extract 51 0) .cse38))) .cse35)))) (= ((_ extract 63 32) v_skolemized_v_prenex_13_5) .cse34) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_13_5) ((_ extract 62 52) v_skolemized_v_prenex_13_5) ((_ extract 51 0) v_skolemized_v_prenex_13_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 410469839621.0 500000000000.0))))))) (exists ((v_skolemized_v_prenex_5_5 (_ BitVec 64))) (and (= ((_ extract 31 0) v_skolemized_v_prenex_5_5) .cse20) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_5_5) ((_ extract 62 52) v_skolemized_v_prenex_5_5) ((_ extract 51 0) v_skolemized_v_prenex_5_5)) .cse5) (= .cse19 ((_ extract 63 32) v_skolemized_v_prenex_5_5)))) (fp.geq .cse22 (fp.neg .cse45)) (fp.leq .cse22 .cse45) (= (_ bv0 32) |c_~#P~0.offset|) (exists ((v_skolemized_v_prenex_14_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_14_5) ((_ extract 62 52) v_skolemized_v_prenex_14_5) ((_ extract 51 0) v_skolemized_v_prenex_14_5)) .cse1) (= ((_ extract 63 32) v_skolemized_v_prenex_14_5) .cse39) (= ((_ extract 31 0) v_skolemized_v_prenex_14_5) .cse40))) (let ((.cse46 (fp.geq (let ((.cse47 (concat .cse3 .cse15))) (fp ((_ extract 63 63) .cse47) ((_ extract 62 52) .cse47) ((_ extract 51 0) .cse47))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 1000000000000000000000000000000.0))))) (or (and (not |c_ULTIMATE.start_main_#t~short31#1|) (not .cse46)) (and |c_ULTIMATE.start_main_#t~short31#1| .cse46))) (= |c_~#P~0.base| (_ bv10 32)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-09 06:34:35,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:34:35,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 30 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 27 case distinctions, treesize of input 1071 treesize of output 519