./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:59:05,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:05,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:59:05,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:05,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:05,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:05,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:05,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:05,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:05,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:05,423 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:59:05,424 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:59:05,424 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:59:05,425 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:59:05,425 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:59:05,426 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:59:05,430 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:59:05,430 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:59:05,431 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:59:05,431 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:59:05,431 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:59:05,432 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:59:05,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:05,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:05,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:05,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:59:05,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:05,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:05,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:05,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:05,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:05,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:05,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:05,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:05,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:05,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:05,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:59:05,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:05,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:59:05,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:05,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:05,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:05,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:59:05,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:59:05,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:05,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:59:05,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:59:05,447 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_17129004-e0a5-4d30-b219-edefa1ef0f8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e [2024-11-09 06:59:05,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:05,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:05,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:05,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:05,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:05,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c Unable to find full path for "g++" [2024-11-09 06:59:07,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:08,033 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:08,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2024-11-09 06:59:08,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data/4b2fa7015/7ae75e9c3e53429ca2fb5eb35117f019/FLAGf3110b3d9 [2024-11-09 06:59:08,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data/4b2fa7015/7ae75e9c3e53429ca2fb5eb35117f019 [2024-11-09 06:59:08,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:08,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:08,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:08,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:08,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:08,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d02a260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08, skipping insertion in model container [2024-11-09 06:59:08,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:08,699 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_17129004-e0a5-4d30-b219-edefa1ef0f8f/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2024-11-09 06:59:08,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:08,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:08,774 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_17129004-e0a5-4d30-b219-edefa1ef0f8f/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2024-11-09 06:59:08,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:08,808 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:08,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08 WrapperNode [2024-11-09 06:59:08,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:08,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:08,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:08,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:08,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,877 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 301 [2024-11-09 06:59:08,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:08,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:08,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:08,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:08,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:08,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:08,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:08,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:08,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (1/1) ... [2024-11-09 06:59:08,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:59:08,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:59:08,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:59:09,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:59:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:59:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:59:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:59:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:59:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:59:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:59:09,186 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:09,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:09,848 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-09 06:59:09,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:10,295 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:10,295 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 06:59:10,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:10 BoogieIcfgContainer [2024-11-09 06:59:10,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:10,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:10,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:10,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:10,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:08" (1/3) ... [2024-11-09 06:59:10,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342299c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:10, skipping insertion in model container [2024-11-09 06:59:10,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:08" (2/3) ... [2024-11-09 06:59:10,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342299c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:10, skipping insertion in model container [2024-11-09 06:59:10,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:10" (3/3) ... [2024-11-09 06:59:10,312 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2024-11-09 06:59:10,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:10,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:59:10,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:10,428 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;@4e82a679, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:10,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:59:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 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 06:59:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:59:10,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:10,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:10,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:10,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1046854106, now seen corresponding path program 1 times [2024-11-09 06:59:10,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:59:10,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792927594] [2024-11-09 06:59:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:10,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:10,683 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 06:59:10,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:59:10,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792927594] [2024-11-09 06:59:10,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792927594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:10,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:10,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:10,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117686105] [2024-11-09 06:59:10,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:10,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:59:10,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:59:10,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:59:10,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:59:10,723 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 06:59:10,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:10,821 INFO L93 Difference]: Finished difference Result 63 states and 97 transitions. [2024-11-09 06:59:10,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:59:10,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-09 06:59:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:10,834 INFO L225 Difference]: With dead ends: 63 [2024-11-09 06:59:10,835 INFO L226 Difference]: Without dead ends: 30 [2024-11-09 06:59:10,838 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 06:59:10,844 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:10,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:59:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-09 06:59:10,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-09 06:59:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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 06:59:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2024-11-09 06:59:10,880 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 7 [2024-11-09 06:59:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:10,881 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2024-11-09 06:59:10,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 06:59:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-09 06:59:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:59:10,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:10,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:10,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:59:10,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:10,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:10,884 INFO L85 PathProgramCache]: Analyzing trace with hash 822604879, now seen corresponding path program 1 times [2024-11-09 06:59:10,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:59:10,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661531513] [2024-11-09 06:59:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:59:10,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:59:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:59:10,971 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:59:10,971 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:59:10,974 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:59:10,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:10,979 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:59:11,001 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:59:11,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:59:11 BoogieIcfgContainer [2024-11-09 06:59:11,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:59:11,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:59:11,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:59:11,009 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:59:11,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:10" (3/4) ... [2024-11-09 06:59:11,012 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:59:11,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:59:11,014 INFO L158 Benchmark]: Toolchain (without parser) took 2599.98ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 105.9MB in the end (delta: 17.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-09 06:59:11,016 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:59:11,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.17ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 107.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:59:11,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.20ms. Allocated memory is still 161.5MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:11,019 INFO L158 Benchmark]: Boogie Preprocessor took 52.25ms. Allocated memory is still 161.5MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:11,019 INFO L158 Benchmark]: RCFGBuilder took 1365.01ms. Allocated memory is still 161.5MB. Free memory was 102.9MB in the beginning and 59.2MB in the end (delta: 43.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:11,020 INFO L158 Benchmark]: TraceAbstraction took 708.04ms. Allocated memory is still 161.5MB. Free memory was 58.3MB in the beginning and 105.9MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:59:11,020 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 161.5MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:59:11,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.17ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 107.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.20ms. Allocated memory is still 161.5MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.25ms. Allocated memory is still 161.5MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1365.01ms. Allocated memory is still 161.5MB. Free memory was 102.9MB in the beginning and 59.2MB in the end (delta: 43.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 708.04ms. Allocated memory is still 161.5MB. Free memory was 58.3MB in the beginning and 105.9MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 161.5MB. Free memory is still 105.9MB. 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: 146]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L141] double x = -1.0 / 0.0; [L142] CALL, EXPR __ieee754_sqrt(x) [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] EXPR ix0 & 0x7ff00000 VAL [ix0=2146435072, ix1=6441402369, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6441402377] [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [ix0=2146435072, ix1=6441402369, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6441402377] [L142] RET, EXPR __ieee754_sqrt(x) [L142] double res = __ieee754_sqrt(x); [L145] CALL, EXPR isnan_double(res) [L132] return x != x; [L145] RET, EXPR isnan_double(res) [L145] COND TRUE !isnan_double(res) [L146] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 06:59:11,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:59:13,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:13,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:59:13,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:13,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:13,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:13,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:13,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:13,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:13,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:13,726 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:59:13,727 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:59:13,727 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:59:13,728 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:59:13,728 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:59:13,729 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:59:13,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:13,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:13,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:13,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:13,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:13,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:13,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:13,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:13,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:59:13,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:59:13,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:13,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:59:13,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:13,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:13,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:13,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:13,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:59:13,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:59:13,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:13,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:59:13,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:13,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:13,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:13,747 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:59:13,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:59:13,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:13,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:59:13,748 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_17129004-e0a5-4d30-b219-edefa1ef0f8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e [2024-11-09 06:59:14,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:14,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:14,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:14,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:14,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:14,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c Unable to find full path for "g++" [2024-11-09 06:59:16,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:16,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:16,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2024-11-09 06:59:16,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data/b49fa3247/dbbf627188534ae4904f64f9552f1672/FLAG974377700 [2024-11-09 06:59:16,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/data/b49fa3247/dbbf627188534ae4904f64f9552f1672 [2024-11-09 06:59:16,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:16,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:16,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:16,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:16,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:16,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:16" (1/1) ... [2024-11-09 06:59:16,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d53b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:16, skipping insertion in model container [2024-11-09 06:59:16,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:16" (1/1) ... [2024-11-09 06:59:17,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:17,298 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_17129004-e0a5-4d30-b219-edefa1ef0f8f/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2024-11-09 06:59:17,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:17,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:17,391 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_17129004-e0a5-4d30-b219-edefa1ef0f8f/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2024-11-09 06:59:17,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:17,429 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:17,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17 WrapperNode [2024-11-09 06:59:17,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:17,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:17,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:17,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:17,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,501 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 158 [2024-11-09 06:59:17,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:17,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:17,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:17,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:17,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:17,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:17,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:17,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:17,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (1/1) ... [2024-11-09 06:59:17,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:59:17,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:59:17,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:59:17,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:59:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:59:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:59:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:59:17,816 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:17,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:22,374 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-09 06:59:22,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:22,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:22,399 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:59:22,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:22 BoogieIcfgContainer [2024-11-09 06:59:22,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:22,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:22,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:22,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:22,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:16" (1/3) ... [2024-11-09 06:59:22,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce3dfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:22, skipping insertion in model container [2024-11-09 06:59:22,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:17" (2/3) ... [2024-11-09 06:59:22,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce3dfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:22, skipping insertion in model container [2024-11-09 06:59:22,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:22" (3/3) ... [2024-11-09 06:59:22,422 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2024-11-09 06:59:22,440 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:22,441 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:59:22,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:22,520 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;@79d7dfed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:22,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:59:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.6) internal successors, (80), 51 states have internal predecessors, (80), 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 06:59:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:59:22,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:22,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:22,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:22,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:22,544 INFO L85 PathProgramCache]: Analyzing trace with hash 331422250, now seen corresponding path program 1 times [2024-11-09 06:59:22,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:22,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558394306] [2024-11-09 06:59:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:22,565 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 06:59:22,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:22,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:22,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:23,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:59:23,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:23,086 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 06:59:23,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:23,087 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:23,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558394306] [2024-11-09 06:59:23,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558394306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:23,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:23,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:23,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582471608] [2024-11-09 06:59:23,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:23,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:59:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:23,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:59:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:59:23,118 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.6) internal successors, (80), 51 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:23,138 INFO L93 Difference]: Finished difference Result 102 states and 158 transitions. [2024-11-09 06:59:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:59:23,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 06:59:23,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:23,147 INFO L225 Difference]: With dead ends: 102 [2024-11-09 06:59:23,148 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 06:59:23,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 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 06:59:23,153 INFO L432 NwaCegarLoop]: 75 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, 75 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 06:59:23,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:59:23,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 06:59:23,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 06:59:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.5) internal successors, (72), 48 states have internal predecessors, (72), 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 06:59:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-09 06:59:23,184 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 8 [2024-11-09 06:59:23,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-09 06:59:23,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-09 06:59:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 06:59:23,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:23,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:23,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:23,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:23,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:23,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:23,389 INFO L85 PathProgramCache]: Analyzing trace with hash 302176557, now seen corresponding path program 1 times [2024-11-09 06:59:23,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:23,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142478583] [2024-11-09 06:59:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:23,390 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 06:59:23,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:23,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:23,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:23,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:59:23,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:24,243 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 06:59:24,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:24,244 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:24,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142478583] [2024-11-09 06:59:24,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142478583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:24,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:24,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:59:24,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116084902] [2024-11-09 06:59:24,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:24,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:59:24,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:24,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:59:24,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:59:24,250 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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 06:59:26,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:27,319 INFO L93 Difference]: Finished difference Result 55 states and 77 transitions. [2024-11-09 06:59:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:59:27,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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 06:59:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:27,322 INFO L225 Difference]: With dead ends: 55 [2024-11-09 06:59:27,322 INFO L226 Difference]: Without dead ends: 50 [2024-11-09 06:59:27,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:59:27,325 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 131 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:27,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 254 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 06:59:27,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-09 06:59:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-11-09 06:59:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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 06:59:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-09 06:59:27,334 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 9 [2024-11-09 06:59:27,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:27,335 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-09 06:59:27,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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 06:59:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-11-09 06:59:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:59:27,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:27,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:27,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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)] Ended with exit code 0 [2024-11-09 06:59:27,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:27,537 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:27,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:27,538 INFO L85 PathProgramCache]: Analyzing trace with hash -294228398, now seen corresponding path program 1 times [2024-11-09 06:59:27,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:27,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422214338] [2024-11-09 06:59:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:27,540 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 06:59:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:27,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:27,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:27,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:59:27,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:27,975 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 06:59:27,975 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:27,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:27,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422214338] [2024-11-09 06:59:27,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422214338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:27,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:27,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:59:27,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342430360] [2024-11-09 06:59:27,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:27,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:59:27,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:27,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:59:27,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:59:27,980 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:28,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:28,111 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2024-11-09 06:59:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:59:28,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 06:59:28,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:28,113 INFO L225 Difference]: With dead ends: 49 [2024-11-09 06:59:28,113 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:59:28,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:59:28,115 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:28,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:59:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:59:28,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:59:28,118 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 06:59:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:59:28,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-09 06:59:28,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:28,119 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:59:28,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:28,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:59:28,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:59:28,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:59:28,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:28,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 06:59:28,329 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 06:59:28,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:59:28,484 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:59:28,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:59:28 BoogieIcfgContainer [2024-11-09 06:59:28,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:59:28,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:59:28,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:59:28,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:59:28,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:22" (3/4) ... [2024-11-09 06:59:28,506 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:59:28,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 06:59:28,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 06:59:28,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:59:28,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:59:28,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:59:28,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:59:28,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:59:28,648 INFO L158 Benchmark]: Toolchain (without parser) took 11712.23ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 64.7MB in the beginning and 107.8MB in the end (delta: -43.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,649 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:59:28,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.45ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 48.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.65ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 46.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,650 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,650 INFO L158 Benchmark]: RCFGBuilder took 4843.70ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 49.2MB in the end (delta: -4.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,651 INFO L158 Benchmark]: TraceAbstraction took 6095.00ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 48.6MB in the beginning and 113.2MB in the end (delta: -64.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,651 INFO L158 Benchmark]: Witness Printer took 145.93ms. Allocated memory is still 138.4MB. Free memory was 113.2MB in the beginning and 107.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:59:28,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.45ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 48.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.65ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 46.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4843.70ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 49.2MB in the end (delta: -4.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6095.00ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 48.6MB in the beginning and 113.2MB in the end (delta: -64.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 145.93ms. Allocated memory is still 138.4MB. Free memory was 113.2MB in the beginning and 107.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 146]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 142 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 3 QuantifiedInterpolants, 142 SizeOfPredicates, 5 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-09 06:59:28,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17129004-e0a5-4d30-b219-edefa1ef0f8f/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 Writing output log to file Ultimate.log Result: TRUE