./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:31:05,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:31:05,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:31:05,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:31:05,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:31:06,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:31:06,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:31:06,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:31:06,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:31:06,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:31:06,009 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:31:06,009 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:31:06,010 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:31:06,013 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:31:06,014 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:31:06,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:31:06,015 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:31:06,015 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:31:06,015 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:31:06,016 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:31:06,016 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:31:06,017 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:31:06,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:31:06,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:31:06,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:31:06,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:31:06,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:31:06,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:31:06,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:31:06,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:31:06,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:31:06,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:31:06,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:31:06,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:31:06,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:31:06,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:31:06,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:31:06,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:31:06,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:31:06,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:31:06,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:31:06,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:31:06,028 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:31:06,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:31:06,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:31:06,029 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:31:06,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:31:06,029 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 [2024-11-09 06:31:06,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:31:06,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:31:06,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:31:06,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:31:06,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:31:06,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c Unable to find full path for "g++" [2024-11-09 06:31:09,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:31:09,381 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:31:09,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-09 06:31:09,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data/5a1fc4877/988158a3297b4524b7fa4cd2bbe780e2/FLAG37917e68a [2024-11-09 06:31:09,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data/5a1fc4877/988158a3297b4524b7fa4cd2bbe780e2 [2024-11-09 06:31:09,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:31:09,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:31:09,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:31:09,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:31:09,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:31:09,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:31:09" (1/1) ... [2024-11-09 06:31:09,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13aa0fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:09, skipping insertion in model container [2024-11-09 06:31:09,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:31:09" (1/1) ... [2024-11-09 06:31:09,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:31:10,042 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_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-09 06:31:10,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:10,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:31:10,137 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_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-09 06:31:10,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:10,170 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:31:10,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10 WrapperNode [2024-11-09 06:31:10,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:31:10,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:31:10,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:31:10,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:31:10,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,243 INFO L138 Inliner]: procedures = 20, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 304 [2024-11-09 06:31:10,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:31:10,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:31:10,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:31:10,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:31:10,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:31:10,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:31:10,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:31:10,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:31:10,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (1/1) ... [2024-11-09 06:31:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:31:10,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:31:10,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:31:10,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:31:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:31:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:31:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 06:31:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:31:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:31:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:31:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-09 06:31:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-09 06:31:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:31:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-09 06:31:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-09 06:31:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:31:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:31:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:31:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:31:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:31:10,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:31:10,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:31:11,552 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-09 06:31:11,556 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:31:11,973 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:31:11,974 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-09 06:31:11,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:11 BoogieIcfgContainer [2024-11-09 06:31:11,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:31:11,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:31:11,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:31:11,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:31:11,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:31:09" (1/3) ... [2024-11-09 06:31:11,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428bb864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:11, skipping insertion in model container [2024-11-09 06:31:11,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:10" (2/3) ... [2024-11-09 06:31:11,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428bb864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:11, skipping insertion in model container [2024-11-09 06:31:11,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:11" (3/3) ... [2024-11-09 06:31:11,994 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2024-11-09 06:31:12,019 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:31:12,019 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:31:12,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:31:12,157 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;@374217fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:31:12,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:31:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 63 states have (on average 1.6984126984126984) internal successors, (107), 64 states have internal predecessors, (107), 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) [2024-11-09 06:31:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 06:31:12,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:12,174 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:12,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:12,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:12,184 INFO L85 PathProgramCache]: Analyzing trace with hash 364212599, now seen corresponding path program 1 times [2024-11-09 06:31:12,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:31:12,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104043277] [2024-11-09 06:31:12,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:31:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:31:12,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:31:12,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104043277] [2024-11-09 06:31:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104043277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:12,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:31:12,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:31:12,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031647800] [2024-11-09 06:31:12,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:12,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:31:12,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:31:12,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:31:12,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:31:12,674 INFO L87 Difference]: Start difference. First operand has 71 states, 63 states have (on average 1.6984126984126984) internal successors, (107), 64 states have internal predecessors, (107), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:31:12,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:12,841 INFO L93 Difference]: Finished difference Result 141 states and 233 transitions. [2024-11-09 06:31:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:31:12,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-11-09 06:31:12,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:12,855 INFO L225 Difference]: With dead ends: 141 [2024-11-09 06:31:12,855 INFO L226 Difference]: Without dead ends: 69 [2024-11-09 06:31:12,859 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 [2024-11-09 06:31:12,863 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:31:12,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:31:12,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-09 06:31:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-09 06:31:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 62 states have internal predecessors, (88), 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) [2024-11-09 06:31:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2024-11-09 06:31:12,917 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 9 [2024-11-09 06:31:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:12,917 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2024-11-09 06:31:12,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:31:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-11-09 06:31:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:31:12,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:12,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:12,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:31:12,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:12,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:12,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1396073921, now seen corresponding path program 1 times [2024-11-09 06:31:12,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:31:12,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43890976] [2024-11-09 06:31:12,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:12,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:31:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:31:13,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:31:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:31:13,523 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:31:13,527 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:31:13,530 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:31:13,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:31:13,536 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:31:13,587 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:31:13,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:31:13 BoogieIcfgContainer [2024-11-09 06:31:13,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:31:13,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:31:13,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:31:13,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:31:13,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:11" (3/4) ... [2024-11-09 06:31:13,604 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:31:13,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:31:13,607 INFO L158 Benchmark]: Toolchain (without parser) took 3939.24ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 98.3MB in the beginning and 89.0MB in the end (delta: 9.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-11-09 06:31:13,607 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:31:13,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.94ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 80.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:31:13,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.01ms. Allocated memory is still 134.2MB. Free memory was 80.9MB in the beginning and 78.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:31:13,609 INFO L158 Benchmark]: Boogie Preprocessor took 71.17ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:31:13,614 INFO L158 Benchmark]: RCFGBuilder took 1658.79ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 75.2MB in the beginning and 107.8MB in the end (delta: -32.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-09 06:31:13,615 INFO L158 Benchmark]: TraceAbstraction took 1616.31ms. Allocated memory is still 186.6MB. Free memory was 106.9MB in the beginning and 89.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-09 06:31:13,616 INFO L158 Benchmark]: Witness Printer took 9.73ms. Allocated memory is still 186.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:31:13,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.94ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 80.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.01ms. Allocated memory is still 134.2MB. Free memory was 80.9MB in the beginning and 78.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.17ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1658.79ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 75.2MB in the beginning and 107.8MB in the end (delta: -32.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1616.31ms. Allocated memory is still 186.6MB. Free memory was 106.9MB in the beginning and 89.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 9.73ms. Allocated memory is still 186.6MB. Free memory is still 89.0MB. 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: 260]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L256] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, lx=2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, hy=-1, ix=2146435072, iy=2147483647, lx=2147483648, ly=4294967297, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000015, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, hy=-1, ix=2146435072, iy=2147483647, lx=2147483648, ly=4294967297, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000015, zero_atan2=0] [L256] RET, EXPR __ieee754_atan2(y, x) [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 83 mSDtfsCounter, 15 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=71occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2024-11-09 06:31:13,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:31:16,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:31:16,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:31:16,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:31:16,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:31:16,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:31:16,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:31:16,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:31:16,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:31:16,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:31:16,820 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:31:16,821 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:31:16,821 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:31:16,822 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:31:16,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:31:16,823 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:31:16,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:31:16,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:31:16,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:31:16,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:31:16,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:31:16,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:31:16,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:31:16,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:31:16,833 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:31:16,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:31:16,834 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:31:16,834 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:31:16,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:31:16,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:31:16,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:31:16,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:31:16,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:31:16,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:31:16,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:31:16,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:31:16,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:31:16,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:31:16,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:31:16,843 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:31:16,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:31:16,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:31:16,846 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:31:16,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 [2024-11-09 06:31:17,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:31:17,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:31:17,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:31:17,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:31:17,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:31:17,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c Unable to find full path for "g++" [2024-11-09 06:31:20,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:31:20,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:31:20,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-09 06:31:20,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data/b5b98cfcf/e1cd97ef0ef84630ba06efef4c2827a6/FLAGe52017abd [2024-11-09 06:31:20,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/data/b5b98cfcf/e1cd97ef0ef84630ba06efef4c2827a6 [2024-11-09 06:31:20,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:31:20,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:31:20,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:31:20,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:31:20,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:31:20,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:31:20" (1/1) ... [2024-11-09 06:31:20,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eccaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:20, skipping insertion in model container [2024-11-09 06:31:20,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:31:20" (1/1) ... [2024-11-09 06:31:20,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:31:20,873 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_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-09 06:31:20,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:20,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:31:21,029 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_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-09 06:31:21,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:31:21,071 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:31:21,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21 WrapperNode [2024-11-09 06:31:21,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:31:21,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:31:21,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:31:21,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:31:21,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,162 INFO L138 Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 221 [2024-11-09 06:31:21,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:31:21,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:31:21,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:31:21,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:31:21,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:31:21,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:31:21,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:31:21,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:31:21,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (1/1) ... [2024-11-09 06:31:21,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:31:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:31:21,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:31:21,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:31:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:31:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:31:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-09 06:31:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:31:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:31:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:31:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-09 06:31:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-09 06:31:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:31:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-09 06:31:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-09 06:31:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:31:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:31:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:31:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:31:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:31:21,559 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:31:21,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:31:47,342 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-09 06:31:47,342 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:31:47,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:31:47,373 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-09 06:31:47,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:47 BoogieIcfgContainer [2024-11-09 06:31:47,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:31:47,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:31:47,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:31:47,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:31:47,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:31:20" (1/3) ... [2024-11-09 06:31:47,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142d00c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:47, skipping insertion in model container [2024-11-09 06:31:47,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:31:21" (2/3) ... [2024-11-09 06:31:47,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142d00c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:31:47, skipping insertion in model container [2024-11-09 06:31:47,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:47" (3/3) ... [2024-11-09 06:31:47,390 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2024-11-09 06:31:47,414 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:31:47,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:31:47,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:31:47,525 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@434db7bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:31:47,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:31:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 79 states have internal predecessors, (131), 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) [2024-11-09 06:31:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 06:31:47,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:47,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:47,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:47,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash 398683502, now seen corresponding path program 1 times [2024-11-09 06:31:47,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:47,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712750924] [2024-11-09 06:31:47,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:47,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:47,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:47,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:47,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:31:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:48,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:31:48,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:31:48,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:31:48,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:48,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712750924] [2024-11-09 06:31:48,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712750924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:48,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:31:48,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:31:48,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778091458] [2024-11-09 06:31:48,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:48,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:31:48,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:31:48,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:31:48,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:31:48,410 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 79 states have internal predecessors, (131), 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) [2024-11-09 06:31:48,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:48,452 INFO L93 Difference]: Finished difference Result 170 states and 280 transitions. [2024-11-09 06:31:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:31:48,454 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 [2024-11-09 06:31:48,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:48,463 INFO L225 Difference]: With dead ends: 170 [2024-11-09 06:31:48,464 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 06:31:48,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:31:48,472 INFO L432 NwaCegarLoop]: 122 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, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:31:48,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:31:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 06:31:48,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 06:31:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 76 states have internal predecessors, (111), 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) [2024-11-09 06:31:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 119 transitions. [2024-11-09 06:31:48,546 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 119 transitions. Word has length 10 [2024-11-09 06:31:48,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:48,547 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 119 transitions. [2024-11-09 06:31:48,550 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) [2024-11-09 06:31:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2024-11-09 06:31:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:31:48,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:48,551 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:48,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:31:48,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:48,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:48,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:48,754 INFO L85 PathProgramCache]: Analyzing trace with hash -934258698, now seen corresponding path program 1 times [2024-11-09 06:31:48,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:48,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908115930] [2024-11-09 06:31:48,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:48,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:48,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:48,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:48,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:31:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:49,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 06:31:49,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:31:50,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:31:54,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:31:54,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:31:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:31:57,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:31:57,651 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908115930] [2024-11-09 06:31:57,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908115930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:57,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:31:57,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:31:57,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075047968] [2024-11-09 06:31:57,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:57,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:31:57,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:31:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:31:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:31:57,678 INFO L87 Difference]: Start difference. First operand 83 states and 119 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:31:59,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:01,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:12,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:20,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:22,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:25,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:27,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:32:27,887 INFO L93 Difference]: Finished difference Result 147 states and 211 transitions. [2024-11-09 06:32:27,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:32:27,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 06:32:27,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:32:27,978 INFO L225 Difference]: With dead ends: 147 [2024-11-09 06:32:27,978 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 06:32:27,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:32:27,981 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 70 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:32:27,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 461 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 6 Unknown, 0 Unchecked, 22.7s Time] [2024-11-09 06:32:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 06:32:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 06:32:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:32:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions. [2024-11-09 06:32:28,003 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 12 [2024-11-09 06:32:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:32:28,003 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 102 transitions. [2024-11-09 06:32:28,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2024-11-09 06:32:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 06:32:28,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:32:28,006 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:32:28,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:32:28,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:28,208 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:32:28,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:32:28,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1698887703, now seen corresponding path program 1 times [2024-11-09 06:32:28,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:32:28,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498575644] [2024-11-09 06:32:28,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:32:28,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:32:28,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:32:28,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 06:32:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:32:28,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 06:32:28,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:32:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:32:31,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:32:31,915 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:32:31,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498575644] [2024-11-09 06:32:31,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498575644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:32:31,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:32:31,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:32:31,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71594601] [2024-11-09 06:32:31,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:32:31,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:32:31,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:32:31,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:32:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:32:31,919 INFO L87 Difference]: Start difference. First operand 75 states and 102 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:33,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:32:33,901 INFO L93 Difference]: Finished difference Result 139 states and 187 transitions. [2024-11-09 06:32:33,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:32:33,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2024-11-09 06:32:33,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:32:33,905 INFO L225 Difference]: With dead ends: 139 [2024-11-09 06:32:33,905 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 06:32:33,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:32:33,907 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 138 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:32:33,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 263 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 06:32:33,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 06:32:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2024-11-09 06:32:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:32:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2024-11-09 06:32:33,922 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 17 [2024-11-09 06:32:33,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:32:33,923 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2024-11-09 06:32:33,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2024-11-09 06:32:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 06:32:33,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:32:33,924 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:32:33,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 06:32:34,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:34,125 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:32:34,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:32:34,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1628024593, now seen corresponding path program 1 times [2024-11-09 06:32:34,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:32:34,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546504021] [2024-11-09 06:32:34,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:32:34,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:32:34,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:32:34,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 06:32:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:32:34,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:32:34,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:32:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:32:38,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:32:38,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:32:38,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546504021] [2024-11-09 06:32:38,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546504021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:32:38,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:32:38,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:32:38,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007320803] [2024-11-09 06:32:38,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:32:38,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:32:38,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:32:38,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:32:38,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:32:38,668 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:43,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:45,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:32:46,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:32:46,779 INFO L93 Difference]: Finished difference Result 93 states and 122 transitions. [2024-11-09 06:32:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:32:46,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-09 06:32:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:32:46,783 INFO L225 Difference]: With dead ends: 93 [2024-11-09 06:32:46,783 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 06:32:46,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:32:46,786 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 150 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:32:46,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 317 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-09 06:32:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 06:32:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2024-11-09 06:32:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 69 states have internal predecessors, (93), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:32:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2024-11-09 06:32:46,809 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 18 [2024-11-09 06:32:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:32:46,809 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2024-11-09 06:32:46,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-11-09 06:32:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 06:32:46,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:32:46,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:32:46,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 06:32:47,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:47,012 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:32:47,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:32:47,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1650904081, now seen corresponding path program 1 times [2024-11-09 06:32:47,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:32:47,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538658046] [2024-11-09 06:32:47,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:32:47,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:47,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:32:47,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:32:47,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 06:32:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:32:47,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:32:47,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:32:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:32:50,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:32:50,357 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:32:50,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538658046] [2024-11-09 06:32:50,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538658046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:32:50,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:32:50,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:32:50,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422608975] [2024-11-09 06:32:50,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:32:50,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:32:50,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:32:50,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:32:50,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:32:50,361 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:52,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:32:52,436 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2024-11-09 06:32:52,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:32:52,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-09 06:32:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:32:52,439 INFO L225 Difference]: With dead ends: 81 [2024-11-09 06:32:52,440 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 06:32:52,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:32:52,442 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 39 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:32:52,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 34 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 06:32:52,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 06:32:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-09 06:32:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-09 06:32:52,448 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 18 [2024-11-09 06:32:52,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:32:52,448 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-09 06:32:52,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:32:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-09 06:32:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 06:32:52,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:32:52,450 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] [2024-11-09 06:32:52,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 06:32:52,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:52,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:32:52,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:32:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1119751084, now seen corresponding path program 1 times [2024-11-09 06:32:52,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:32:52,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035210987] [2024-11-09 06:32:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:32:52,655 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:32:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:32:52,659 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:32:52,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 06:32:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:32:53,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 06:32:53,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:32:54,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:32:56,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:32:56,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:33:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:33:03,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:33:03,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:33:03,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035210987] [2024-11-09 06:33:03,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035210987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:33:03,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:33:03,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 06:33:03,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522282209] [2024-11-09 06:33:03,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:33:03,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:33:03,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:33:03,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:33:03,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:33:03,641 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:05,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:13,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:33:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:33:16,489 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2024-11-09 06:33:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:33:16,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 06:33:16,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:33:16,490 INFO L225 Difference]: With dead ends: 29 [2024-11-09 06:33:16,490 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 06:33:16,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:33:16,497 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 51 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:33:16,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 41 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 06:33:16,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 06:33:16,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-09 06:33:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-09 06:33:16,505 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2024-11-09 06:33:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:33:16,506 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-09 06:33:16,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-09 06:33:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 06:33:16,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:33:16,508 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] [2024-11-09 06:33:16,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:33:16,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:33:16,709 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:33:16,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:33:16,710 INFO L85 PathProgramCache]: Analyzing trace with hash 351470146, now seen corresponding path program 1 times [2024-11-09 06:33:16,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:33:16,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002182350] [2024-11-09 06:33:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:33:16,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:33:16,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:33:16,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:33:16,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 06:33:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:33:17,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:33:17,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:33:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:33:35,016 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:33:35,016 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:33:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002182350] [2024-11-09 06:33:35,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002182350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:33:35,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:33:35,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:33:35,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278885764] [2024-11-09 06:33:35,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:33:35,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:33:35,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:33:35,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:33:35,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:33:35,019 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:37,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:33:39,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:33:46,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:33:48,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:33:48,042 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2024-11-09 06:33:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:33:48,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-09 06:33:48,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:33:48,052 INFO L225 Difference]: With dead ends: 28 [2024-11-09 06:33:48,053 INFO L226 Difference]: Without dead ends: 24 [2024-11-09 06:33:48,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:33:48,054 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:33:48,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 55 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 06:33:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-09 06:33:48,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-09 06:33:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0) internal successors, (23), 23 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2024-11-09 06:33:48,062 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 21 [2024-11-09 06:33:48,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:33:48,063 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2024-11-09 06:33:48,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2024-11-09 06:33:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 06:33:48,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:33:48,065 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] [2024-11-09 06:33:48,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:33:48,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:33:48,266 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:33:48,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:33:48,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1571119231, now seen corresponding path program 1 times [2024-11-09 06:33:48,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:33:48,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069880872] [2024-11-09 06:33:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:33:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:33:48,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:33:48,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:33:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 06:33:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:33:48,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 06:33:48,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:33:49,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:33:49,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:33:51,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:33:51,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:33:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:33:57,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:33:57,011 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:33:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069880872] [2024-11-09 06:33:57,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069880872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:33:57,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:33:57,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:33:57,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599640205] [2024-11-09 06:33:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:33:57,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:33:57,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:33:57,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:33:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:33:57,013 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:33:59,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:34:04,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:04,825 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2024-11-09 06:34:04,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:34:04,825 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 06:34:04,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:04,826 INFO L225 Difference]: With dead ends: 24 [2024-11-09 06:34:04,826 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:34:04,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:34:04,828 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 35 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:04,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 22 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 06:34:04,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:34:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:34:04,830 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) [2024-11-09 06:34:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:34:04,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-11-09 06:34:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:04,830 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:34:04,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:34:04,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:34:04,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:34:04,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:34:05,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:34:05,041 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:34:05,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:34:08,213 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:34:08,244 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_double [2024-11-09 06:34:08,245 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_double [2024-11-09 06:34:08,245 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_double [2024-11-09 06:34:08,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_double [2024-11-09 06:34:08,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_double [2024-11-09 06:34:08,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_double [2024-11-09 06:34:08,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:34:08 BoogieIcfgContainer [2024-11-09 06:34:08,252 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:34:08,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:34:08,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:34:08,253 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:34:08,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:31:47" (3/4) ... [2024-11-09 06:34:08,258 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:34:08,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2024-11-09 06:34:08,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2024-11-09 06:34:08,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-09 06:34:08,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 06:34:08,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 06:34:08,277 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:34:08,447 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:34:08,448 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:34:08,448 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:34:08,449 INFO L158 Benchmark]: Toolchain (without parser) took 168010.23ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 43.0MB in the beginning and 29.8MB in the end (delta: 13.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,450 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:34:08,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.41ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 45.9MB in the end (delta: -3.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.37ms. Allocated memory is still 71.3MB. Free memory was 45.9MB in the beginning and 43.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,451 INFO L158 Benchmark]: Boogie Preprocessor took 84.85ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,452 INFO L158 Benchmark]: RCFGBuilder took 26126.15ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 40.2MB in the beginning and 48.9MB in the end (delta: -8.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,452 INFO L158 Benchmark]: TraceAbstraction took 140873.83ms. Allocated memory is still 96.5MB. Free memory was 48.5MB in the beginning and 37.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,452 INFO L158 Benchmark]: Witness Printer took 195.55ms. Allocated memory is still 96.5MB. Free memory was 37.9MB in the beginning and 29.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:34:08,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.41ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 45.9MB in the end (delta: -3.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.37ms. Allocated memory is still 71.3MB. Free memory was 45.9MB in the beginning and 43.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.85ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 26126.15ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 40.2MB in the beginning and 48.9MB in the end (delta: -8.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 140873.83ms. Allocated memory is still 96.5MB. Free memory was 48.5MB in the beginning and 37.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 195.55ms. Allocated memory is still 96.5MB. Free memory was 37.9MB in the beginning and 29.8MB in the end (delta: 8.1MB). 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: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_double - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_double * 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: 260]: 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: 137.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 76.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 495 SdHoareTripleChecker+Valid, 49.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 491 mSDsluCounter, 1315 SdHoareTripleChecker+Invalid, 48.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 865 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 450 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 50.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 8 MinimizatonAttempts, 29 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 53.7s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 131 ConstructedInterpolants, 71 QuantifiedInterpolants, 2677 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1282 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 19]: Procedure Contract for fabs_double Derived contract for procedure fabs_double. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (huge_atan == \old(huge_atan))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 66]: Procedure Contract for atan_double Derived contract for procedure atan_double. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (huge_atan == \old(huge_atan))) && (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! [2024-11-09 06:34:08,679 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 06:34:08,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21ca4ed-323e-4d93-beb0-9dfcb84e5b1f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE