./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E --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 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:38:39,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:38:39,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:38:39,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:38:39,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:38:39,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:38:40,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:38:40,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:38:40,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:38:40,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:38:40,001 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:38:40,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:38:40,002 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:38:40,002 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:38:40,003 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:38:40,003 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:38:40,003 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:38:40,003 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:38:40,004 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:38:40,004 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:38:40,004 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:38:40,004 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:38:40,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:38:40,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:38:40,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:38:40,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:38:40,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:38:40,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:38:40,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:38:40,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:38:40,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:38:40,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:38:40,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:38:40,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:38:40,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:38:40,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:38:40,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:38:40,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:38:40,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:40,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:38:40,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:38:40,009 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E 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 -> 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 [2024-11-14 05:38:40,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:38:40,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:38:40,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:38:40,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:38:40,354 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:38:40,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c Unable to find full path for "g++" [2024-11-14 05:38:42,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:38:42,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:38:42,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2024-11-14 05:38:42,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data/8c42f8f18/0ef4f77ef94744379fa02df52881cbce/FLAGac4e610f7 [2024-11-14 05:38:42,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data/8c42f8f18/0ef4f77ef94744379fa02df52881cbce [2024-11-14 05:38:42,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:38:42,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:38:42,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:42,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:38:42,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:38:42,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302e5e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42, skipping insertion in model container [2024-11-14 05:38:42,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:38:42,800 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_95985b66-2e24-4120-a384-4a797ad5c248/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2024-11-14 05:38:42,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:42,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:38:42,856 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_95985b66-2e24-4120-a384-4a797ad5c248/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2024-11-14 05:38:42,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:42,876 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:38:42,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42 WrapperNode [2024-11-14 05:38:42,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:42,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:42,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:38:42,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:38:42,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,915 INFO L138 Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 231 [2024-11-14 05:38:42,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:42,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:38:42,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:38:42,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:38:42,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:38:42,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:38:42,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:38:42,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:38:42,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (1/1) ... [2024-11-14 05:38:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:38:43,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:38:43,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:38:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:38:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:38:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-14 05:38:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:38:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 05:38:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:38:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 05:38:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-14 05:38:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-14 05:38:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:38:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:38:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:38:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 05:38:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-14 05:38:43,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-14 05:38:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:38:43,163 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:38:43,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:38:43,711 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-14 05:38:43,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:38:43,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:38:43,817 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-14 05:38:43,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:43 BoogieIcfgContainer [2024-11-14 05:38:43,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:38:43,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:38:43,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:38:43,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:38:43,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:38:42" (1/3) ... [2024-11-14 05:38:43,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d7e2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:38:43, skipping insertion in model container [2024-11-14 05:38:43,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:42" (2/3) ... [2024-11-14 05:38:43,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d7e2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:38:43, skipping insertion in model container [2024-11-14 05:38:43,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:43" (3/3) ... [2024-11-14 05:38:43,832 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2024-11-14 05:38:43,849 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:38:43,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0662a.c that has 3 procedures, 69 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-14 05:38:43,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:38:43,926 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;@383613a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:38:43,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:38:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 62 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:38:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 05:38:43,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:43,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:43,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:43,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1234293642, now seen corresponding path program 1 times [2024-11-14 05:38:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140052274] [2024-11-14 05:38:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:44,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:44,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140052274] [2024-11-14 05:38:44,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140052274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:44,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:44,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:38:44,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136862788] [2024-11-14 05:38:44,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:44,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:38:44,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:44,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:38:44,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:38:44,294 INFO L87 Difference]: Start difference. First operand has 69 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 62 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:38:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:44,414 INFO L93 Difference]: Finished difference Result 136 states and 225 transitions. [2024-11-14 05:38:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:38:44,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-14 05:38:44,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:44,423 INFO L225 Difference]: With dead ends: 136 [2024-11-14 05:38:44,423 INFO L226 Difference]: Without dead ends: 66 [2024-11-14 05:38:44,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:38:44,433 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:44,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:38:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-14 05:38:44,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-14 05:38:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:38:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2024-11-14 05:38:44,474 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 10 [2024-11-14 05:38:44,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:44,474 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2024-11-14 05:38:44,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:38:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-11-14 05:38:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 05:38:44,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:44,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:44,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:38:44,476 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:44,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:44,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1095632878, now seen corresponding path program 1 times [2024-11-14 05:38:44,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:44,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010729461] [2024-11-14 05:38:44,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:44,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:38:44,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:38:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:38:44,737 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:38:44,737 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:38:44,740 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:38:44,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:38:44,745 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:38:44,783 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:38:44,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:38:44 BoogieIcfgContainer [2024-11-14 05:38:44,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:38:44,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:38:44,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:38:44,790 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:38:44,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:43" (3/4) ... [2024-11-14 05:38:44,796 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:38:44,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:38:44,797 INFO L158 Benchmark]: Toolchain (without parser) took 2242.71ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 84.8MB in the end (delta: 34.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-14 05:38:44,797 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:44,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.55ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.8MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:38:44,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.61ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:38:44,798 INFO L158 Benchmark]: Boogie Preprocessor took 52.02ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:44,799 INFO L158 Benchmark]: RCFGBuilder took 849.22ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 63.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:38:44,799 INFO L158 Benchmark]: TraceAbstraction took 966.20ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 84.9MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:44,799 INFO L158 Benchmark]: Witness Printer took 6.55ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:44,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.55ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.8MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.61ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.02ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 849.22ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 63.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 966.20ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 84.9MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.55ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 27.0kB). 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: 230]: 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 someBinaryFLOATComparisonOperation at line 229, overapproximation of someBinaryFLOATComparisonOperation at line 226, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someUnaryFLOAToperation at line 218, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L227] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000041, y=1000000000000000000000000000037, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000041, y=1000000000000000000000000000037, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=2147483647, ix=2147483647, iy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000041, y=1000000000000000000000000000037, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000041, y=1000000000000000000000000000037, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 85 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:38:44,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E --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 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:38:47,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:38:47,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:38:47,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:38:47,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:38:47,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:38:47,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:38:47,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:38:47,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:38:47,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:38:47,621 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:38:47,621 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:38:47,622 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:38:47,622 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:38:47,622 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:38:47,622 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:38:47,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:38:47,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:38:47,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:38:47,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:38:47,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:38:47,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:38:47,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:38:47,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:38:47,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:38:47,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:38:47,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:38:47,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:38:47,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:38:47,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:47,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:38:47,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:38:47,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:38:47,626 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:38:47,626 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:38:47,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:38:47,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:38:47,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E 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 -> 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 [2024-11-14 05:38:47,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:38:47,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:38:47,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:38:47,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:38:47,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:38:47,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c Unable to find full path for "g++" [2024-11-14 05:38:49,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:38:50,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:38:50,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2024-11-14 05:38:50,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data/785d867d5/21081f9f7d4e47aa9fd5e0c2d12a64a8/FLAG4f64beb20 [2024-11-14 05:38:50,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/data/785d867d5/21081f9f7d4e47aa9fd5e0c2d12a64a8 [2024-11-14 05:38:50,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:38:50,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:38:50,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:50,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:38:50,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:38:50,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5569c27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50, skipping insertion in model container [2024-11-14 05:38:50,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:38:50,505 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_95985b66-2e24-4120-a384-4a797ad5c248/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2024-11-14 05:38:50,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:50,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:38:50,593 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_95985b66-2e24-4120-a384-4a797ad5c248/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2024-11-14 05:38:50,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:50,616 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:38:50,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50 WrapperNode [2024-11-14 05:38:50,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:50,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:50,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:38:50,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:38:50,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,678 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2024-11-14 05:38:50,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:50,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:38:50,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:38:50,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:38:50,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:38:50,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:38:50,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:38:50,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:38:50,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (1/1) ... [2024-11-14 05:38:50,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:50,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:38:50,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:38:50,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:38:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:38:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 05:38:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:38:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:38:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 05:38:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-14 05:38:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-14 05:38:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 05:38:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 05:38:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:38:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:38:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 05:38:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-14 05:38:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-14 05:38:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 05:38:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:38:50,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:38:50,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:39:04,690 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-14 05:39:04,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:39:04,705 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:39:04,707 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-14 05:39:04,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:04 BoogieIcfgContainer [2024-11-14 05:39:04,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:39:04,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:39:04,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:39:04,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:39:04,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:38:50" (1/3) ... [2024-11-14 05:39:04,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64793f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:04, skipping insertion in model container [2024-11-14 05:39:04,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:50" (2/3) ... [2024-11-14 05:39:04,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64793f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:04, skipping insertion in model container [2024-11-14 05:39:04,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:04" (3/3) ... [2024-11-14 05:39:04,722 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2024-11-14 05:39:04,734 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:39:04,736 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0662a.c that has 3 procedures, 86 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-14 05:39:04,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:39:04,848 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;@462ef948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:39:04,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:39:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:39:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:39:04,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:04,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:04,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:04,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:04,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1049928389, now seen corresponding path program 1 times [2024-11-14 05:39:04,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:04,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671086676] [2024-11-14 05:39:04,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:04,885 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 [2024-11-14 05:39:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:04,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:39:04,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:39:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:05,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:39:05,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:05,826 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:05,826 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:39:05,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671086676] [2024-11-14 05:39:05,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671086676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:05,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:05,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:39:05,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600691415] [2024-11-14 05:39:05,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:05,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:39:05,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:39:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:39:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:39:05,850 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:39:05,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:05,884 INFO L93 Difference]: Finished difference Result 169 states and 276 transitions. [2024-11-14 05:39:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:39:05,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 05:39:05,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:05,895 INFO L225 Difference]: With dead ends: 169 [2024-11-14 05:39:05,895 INFO L226 Difference]: Without dead ends: 82 [2024-11-14 05:39:05,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:39:05,905 INFO L432 NwaCegarLoop]: 123 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, 123 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 [2024-11-14 05:39:05,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:39:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-14 05:39:05,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-14 05:39:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 75 states have internal predecessors, (110), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:39:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions. [2024-11-14 05:39:05,956 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11 [2024-11-14 05:39:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:05,959 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 118 transitions. [2024-11-14 05:39:05,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:39:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2024-11-14 05:39:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 05:39:05,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:05,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:05,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 05:39:06,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:39:06,161 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:06,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2141817421, now seen corresponding path program 1 times [2024-11-14 05:39:06,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877554414] [2024-11-14 05:39:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:06,162 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 [2024-11-14 05:39:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:06,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:39:06,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:39:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:07,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 05:39:07,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:07,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-11-14 05:39:08,197 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-14 05:39:08,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 27 [2024-11-14 05:39:08,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:39:08,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-14 05:39:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:12,036 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:12,036 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:39:12,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877554414] [2024-11-14 05:39:12,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877554414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:12,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:12,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 05:39:12,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014047918] [2024-11-14 05:39:12,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:12,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:39:12,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:39:12,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:39:12,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2024-11-14 05:39:12,039 INFO L87 Difference]: Start difference. First operand 82 states and 118 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:39:15,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:39:21,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:39:23,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:39:25,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:39:27,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:39:27,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:27,488 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2024-11-14 05:39:27,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:39:27,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-14 05:39:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:27,490 INFO L225 Difference]: With dead ends: 116 [2024-11-14 05:39:27,491 INFO L226 Difference]: Without dead ends: 48 [2024-11-14 05:39:27,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=33, Invalid=97, Unknown=2, NotChecked=0, Total=132 [2024-11-14 05:39:27,492 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 24 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:27,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 300 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 5 Unknown, 0 Unchecked, 12.3s Time] [2024-11-14 05:39:27,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-14 05:39:27,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-11-14 05:39:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:39:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2024-11-14 05:39:27,505 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 13 [2024-11-14 05:39:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:27,509 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2024-11-14 05:39:27,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:39:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2024-11-14 05:39:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 05:39:27,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:27,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:27,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 05:39:27,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:39:27,710 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:27,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:27,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1995703666, now seen corresponding path program 1 times [2024-11-14 05:39:27,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:39:27,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190931534] [2024-11-14 05:39:27,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:27,712 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 [2024-11-14 05:39:27,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:39:27,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:39:27,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:39:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:28,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:39:28,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:39:30,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:30,782 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:39:30,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190931534] [2024-11-14 05:39:30,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190931534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:30,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:30,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:39:30,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117905867] [2024-11-14 05:39:30,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:30,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:39:30,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:39:30,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:39:30,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:39:30,783 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2024-11-14 05:39:31,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:37,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:39,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:41,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:43,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:45,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:48,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:50,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:51,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:53,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:55,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:57,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:01,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:03,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:05,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:08,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:08,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:08,648 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2024-11-14 05:40:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:40:08,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-14 05:40:08,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:08,669 INFO L225 Difference]: With dead ends: 51 [2024-11-14 05:40:08,669 INFO L226 Difference]: Without dead ends: 45 [2024-11-14 05:40:08,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:40:08,670 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 56 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:08,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 157 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 13 Unknown, 0 Unchecked, 37.2s Time] [2024-11-14 05:40:08,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-14 05:40:08,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-14 05:40:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-14 05:40:08,677 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 16 [2024-11-14 05:40:08,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:08,677 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-14 05:40:08,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2024-11-14 05:40:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-14 05:40:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 05:40:08,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:08,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:08,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:40:08,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:40:08,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:40:08,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1193331092, now seen corresponding path program 1 times [2024-11-14 05:40:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:40:08,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561722920] [2024-11-14 05:40:08,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:08,880 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 [2024-11-14 05:40:08,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:40:08,887 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:40:08,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:40:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:09,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 05:40:09,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:10,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-11-14 05:40:10,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-14 05:40:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:40:10,341 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:40:10,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:40:10,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561722920] [2024-11-14 05:40:10,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561722920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:10,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:40:10,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:40:10,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821033099] [2024-11-14 05:40:10,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:10,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:40:10,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:40:10,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:40:10,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:40:10,343 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 05:40:10,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:10,474 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-14 05:40:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:40:10,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-14 05:40:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:10,475 INFO L225 Difference]: With dead ends: 45 [2024-11-14 05:40:10,476 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:40:10,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:40:10,477 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:10,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:40:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:40:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:40:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:40:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:40:10,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-14 05:40:10,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:10,479 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:40:10,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 05:40:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:40:10,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:40:10,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:40:10,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:40:10,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:40:10,686 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 05:40:10,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 05:40:11,279 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:40:11,295 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:40:11,297 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:40:11,298 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-14 05:40:11,298 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:40:11,298 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:40:11,298 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-14 05:40:11,300 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:40:11,300 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:40:11,300 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:40:11,300 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-14 05:40:11,300 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:40:11,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:40:11,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-14 05:40:11,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:40:11,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-11-14 05:40:11,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-11-14 05:40:11,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-11-14 05:40:11,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-11-14 05:40:11,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-11-14 05:40:11,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-11-14 05:40:11,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:40:11 BoogieIcfgContainer [2024-11-14 05:40:11,308 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:40:11,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:40:11,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:40:11,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:40:11,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:04" (3/4) ... [2024-11-14 05:40:11,312 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:40:11,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-14 05:40:11,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-14 05:40:11,321 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-14 05:40:11,322 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-14 05:40:11,322 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 05:40:11,323 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:40:11,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:40:11,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:40:11,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:40:11,412 INFO L158 Benchmark]: Toolchain (without parser) took 81220.30ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 45.2MB in the end (delta: 15.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-14 05:40:11,412 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:11,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.17ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 45.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:40:11,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.47ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 42.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:11,413 INFO L158 Benchmark]: Boogie Preprocessor took 56.42ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:40:11,413 INFO L158 Benchmark]: RCFGBuilder took 13971.51ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 49.0MB in the end (delta: -8.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-14 05:40:11,413 INFO L158 Benchmark]: TraceAbstraction took 66597.41ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 52.3MB in the end (delta: -3.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-14 05:40:11,413 INFO L158 Benchmark]: Witness Printer took 102.44ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 45.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:40:11,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.17ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 45.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.47ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 42.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.42ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 13971.51ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 49.0MB in the end (delta: -8.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * TraceAbstraction took 66597.41ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 52.3MB in the end (delta: -3.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 102.44ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 45.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 49.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 597 SdHoareTripleChecker+Invalid, 49.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 379 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 218 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 6 QuantifiedInterpolants, 634 SizeOfPredicates, 12 NumberOfNonLiveVariables, 538 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 05:40:11,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95985b66-2e24-4120-a384-4a797ad5c248/bin/utaipan-verify-sOmjnqqW8E/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 Writing output log to file Ultimate.log Result: TRUE