./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i --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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:56:40,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:56:40,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:56:40,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:56:40,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:56:40,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:56:40,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:56:40,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:56:40,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:56:40,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:56:40,687 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:56:40,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:56:40,688 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:56:40,689 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:56:40,689 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:56:40,690 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:56:40,691 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:56:40,691 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:56:40,692 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:56:40,693 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:56:40,693 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:56:40,694 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:56:40,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:56:40,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:56:40,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:56:40,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:56:40,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:56:40,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:56:40,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:56:40,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:56:40,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:56:40,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:56:40,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:56:40,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:56:40,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:56:40,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:56:40,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:56:40,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:56:40,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:56:40,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:56:40,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:56:40,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:56:40,708 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:56:40,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:56:40,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:56:40,709 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:56:40,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:56:40,710 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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 [2024-11-09 06:56:41,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:56:41,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:56:41,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:56:41,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:56:41,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:56:41,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i Unable to find full path for "g++" [2024-11-09 06:56:43,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:56:43,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:56:43,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i [2024-11-09 06:56:43,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data/340a87e7e/f6733b4566a34a7796d9e752fa30f214/FLAG5a0006186 [2024-11-09 06:56:43,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data/340a87e7e/f6733b4566a34a7796d9e752fa30f214 [2024-11-09 06:56:43,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:56:43,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:56:43,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:56:43,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:56:43,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:56:43,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45acc383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43, skipping insertion in model container [2024-11-09 06:56:43,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:56:43,769 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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-11-09 06:56:43,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:56:43,831 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:56:43,842 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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-11-09 06:56:43,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:56:43,888 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:56:43,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43 WrapperNode [2024-11-09 06:56:43,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:56:43,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:56:43,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:56:43,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:56:43,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,941 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-09 06:56:43,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:56:43,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:56:43,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:56:43,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:56:43,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:56:43,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:56:43,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:56:43,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:56:43,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (1/1) ... [2024-11-09 06:56:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:56:44,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:56:44,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:56:44,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:56:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:56:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:56:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:56:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:56:44,167 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:56:44,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:56:44,478 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:56:44,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:56:44,599 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:56:44,600 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:56:44,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:56:44 BoogieIcfgContainer [2024-11-09 06:56:44,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:56:44,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:56:44,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:56:44,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:56:44,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:56:43" (1/3) ... [2024-11-09 06:56:44,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c653957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:56:44, skipping insertion in model container [2024-11-09 06:56:44,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:43" (2/3) ... [2024-11-09 06:56:44,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c653957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:56:44, skipping insertion in model container [2024-11-09 06:56:44,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:56:44" (3/3) ... [2024-11-09 06:56:44,612 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-8.i [2024-11-09 06:56:44,637 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:56:44,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:56:44,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:56:44,729 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;@4f498402, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:56:44,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:56:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:56:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 06:56:44,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:56:44,748 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:56:44,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:56:44,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:56:44,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2114185991, now seen corresponding path program 1 times [2024-11-09 06:56:44,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:56:44,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997823922] [2024-11-09 06:56:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:56:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:56:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:56:45,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:56:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:56:45,357 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:56:45,360 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:56:45,362 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:56:45,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:56:45,371 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:56:45,437 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:56:45,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:56:45 BoogieIcfgContainer [2024-11-09 06:56:45,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:56:45,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:56:45,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:56:45,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:56:45,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:56:44" (3/4) ... [2024-11-09 06:56:45,455 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:56:45,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:56:45,458 INFO L158 Benchmark]: Toolchain (without parser) took 1905.49ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 106.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-09 06:56:45,458 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 153.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:56:45,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.94ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 109.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:56:45,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.66ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:56:45,461 INFO L158 Benchmark]: Boogie Preprocessor took 33.70ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:56:45,464 INFO L158 Benchmark]: RCFGBuilder took 624.36ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 82.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 06:56:45,465 INFO L158 Benchmark]: TraceAbstraction took 842.74ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 107.1MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:56:45,466 INFO L158 Benchmark]: Witness Printer took 9.31ms. Allocated memory is still 153.1MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:56:45,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 153.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.94ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 109.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.66ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.70ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.36ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 82.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 842.74ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 107.1MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.31ms. Allocated memory is still 153.1MB. Free memory is still 106.4MB. 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] signed long int var_1_8 = 64; [L28] float var_1_12 = 2.4; [L29] float var_1_13 = 127.75; [L30] float var_1_14 = 0.0; [L31] float var_1_15 = 31.4; [L32] float var_1_16 = 256.75; [L33] float var_1_17 = 256.6; [L34] signed long int var_1_18 = 0; [L35] unsigned char var_1_19 = 32; [L36] unsigned char var_1_20 = 100; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L73] var_1_6 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L75] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L79] var_1_13 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L81] var_1_14 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L83] var_1_15 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L85] var_1_16 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L87] var_1_20 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L89] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=64] [L102] RET updateVariables() [L103] CALL step() [L40] var_1_17 = var_1_14 [L41] var_1_19 = var_1_20 [L42] var_1_18 = var_1_19 [L43] unsigned char stepLocal_1 = var_1_19; [L44] signed long int stepLocal_0 = (var_1_18 * var_1_18) * (var_1_19 - var_1_19); [L45] COND FALSE !(stepLocal_0 >= 1u) [L52] var_1_8 = var_1_19 [L54] signed long int stepLocal_2 = var_1_8; [L55] COND FALSE !(var_1_19 > stepLocal_2) [L58] var_1_12 = (var_1_16 - (var_1_14 + var_1_15)) [L60] COND FALSE !(var_1_18 >= (8u * var_1_8)) [L63] var_1_1 = var_1_7 [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return ((((((var_1_18 >= (8u * var_1_8)) ? (var_1_1 == ((unsigned char) (! (var_1_4 || (var_1_5 || var_1_6))))) : (var_1_1 == ((unsigned char) var_1_7))) && ((((var_1_18 * var_1_18) * (var_1_19 - var_1_19)) >= 1u) ? ((var_1_18 <= var_1_19) ? (var_1_8 == ((signed long int) var_1_19)) : (var_1_8 == ((signed long int) var_1_19))) : (var_1_8 == ((signed long int) var_1_19)))) && ((var_1_19 > var_1_8) ? (var_1_12 == ((float) (var_1_13 + ((var_1_14 - var_1_15) - var_1_16)))) : (var_1_12 == ((float) (var_1_16 - (var_1_14 + var_1_15)))))) && (var_1_17 == ((float) var_1_14))) && (var_1_18 == ((signed long int) var_1_19))) && (var_1_19 == ((unsigned char) var_1_20)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_14=262, var_1_17=262, var_1_18=1, var_1_19=1, var_1_1=257, var_1_20=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=1] [L19] reach_error() VAL [isInitial=1, var_1_14=262, var_1_17=262, var_1_18=1, var_1_19=1, var_1_1=257, var_1_20=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=257, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:56:45,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:56:48,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:56:48,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:56:48,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:56:48,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:56:48,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:56:48,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:56:48,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:56:48,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:56:48,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:56:48,513 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:56:48,514 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:56:48,514 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:56:48,514 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:56:48,515 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:56:48,515 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:56:48,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:56:48,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:56:48,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:56:48,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:56:48,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:56:48,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:56:48,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:56:48,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:56:48,520 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:56:48,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:56:48,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:56:48,521 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:56:48,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:56:48,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:56:48,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:56:48,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:56:48,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:56:48,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:56:48,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:56:48,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:56:48,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:56:48,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:56:48,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:56:48,525 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:56:48,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:56:48,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:56:48,527 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:56:48,527 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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 [2024-11-09 06:56:48,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:56:48,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:56:48,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:56:48,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:56:48,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:56:48,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i Unable to find full path for "g++" [2024-11-09 06:56:51,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:56:51,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:56:51,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i [2024-11-09 06:56:51,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data/35cd2471f/6c9877689bbc4e1f893605e061eb9509/FLAGa4e8db17d [2024-11-09 06:56:51,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/data/35cd2471f/6c9877689bbc4e1f893605e061eb9509 [2024-11-09 06:56:51,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:56:51,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:56:51,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:56:51,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:56:51,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:56:51,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e591fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51, skipping insertion in model container [2024-11-09 06:56:51,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:56:51,661 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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-11-09 06:56:51,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:56:51,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:56:51,785 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_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-11-09 06:56:51,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:56:51,842 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:56:51,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51 WrapperNode [2024-11-09 06:56:51,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:56:51,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:56:51,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:56:51,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:56:51,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,893 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-09 06:56:51,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:56:51,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:56:51,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:56:51,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:56:51,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:56:51,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:56:51,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:56:51,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:56:51,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (1/1) ... [2024-11-09 06:56:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:56:51,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:56:51,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:56:51,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:56:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:56:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:56:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:56:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:56:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:56:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:56:52,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:56:52,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:56:53,504 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:56:53,504 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:56:53,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:56:53,520 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:56:53,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:56:53 BoogieIcfgContainer [2024-11-09 06:56:53,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:56:53,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:56:53,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:56:53,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:56:53,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:56:51" (1/3) ... [2024-11-09 06:56:53,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168e3e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:56:53, skipping insertion in model container [2024-11-09 06:56:53,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:56:51" (2/3) ... [2024-11-09 06:56:53,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168e3e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:56:53, skipping insertion in model container [2024-11-09 06:56:53,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:56:53" (3/3) ... [2024-11-09 06:56:53,536 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-8.i [2024-11-09 06:56:53,550 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:56:53,551 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:56:53,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:56:53,631 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;@1bcb5d95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:56:53,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:56:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:56:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 06:56:53,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:56:53,656 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:56:53,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:56:53,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:56:53,661 INFO L85 PathProgramCache]: Analyzing trace with hash -689180983, now seen corresponding path program 1 times [2024-11-09 06:56:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:56:53,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837476948] [2024-11-09 06:56:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:56:53,675 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 06:56:53,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:56:53,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:53,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:56:54,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:56:54,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:56:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 06:56:54,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:56:54,234 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:56:54,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837476948] [2024-11-09 06:56:54,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837476948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:56:54,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:56:54,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:56:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010107624] [2024-11-09 06:56:54,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:56:54,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:56:54,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:56:54,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:56:54,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:56:54,288 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 06:56:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:56:54,367 INFO L93 Difference]: Finished difference Result 87 states and 142 transitions. [2024-11-09 06:56:54,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:56:54,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-09 06:56:54,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:56:54,380 INFO L225 Difference]: With dead ends: 87 [2024-11-09 06:56:54,381 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 06:56:54,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 06:56:54,395 INFO L432 NwaCegarLoop]: 60 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, 60 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 06:56:54,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:56:54,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 06:56:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-09 06:56:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:56:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-11-09 06:56:54,466 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-11-09 06:56:54,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:56:54,467 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-11-09 06:56:54,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 06:56:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-09 06:56:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 06:56:54,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:56:54,472 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:56:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:54,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:54,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:56:54,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:56:54,674 INFO L85 PathProgramCache]: Analyzing trace with hash -528796015, now seen corresponding path program 1 times [2024-11-09 06:56:54,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:56:54,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381006905] [2024-11-09 06:56:54,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:56:54,676 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 06:56:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:56:54,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:54,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:56:55,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:56:55,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:56:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 06:56:55,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:56:55,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:56:55,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381006905] [2024-11-09 06:56:55,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381006905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:56:55,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:56:55,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:56:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441488586] [2024-11-09 06:56:55,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:56:55,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:56:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:56:55,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:56:55,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:56:55,493 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 06:56:57,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:56:57,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:56:57,936 INFO L93 Difference]: Finished difference Result 112 states and 159 transitions. [2024-11-09 06:56:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:56:57,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-11-09 06:56:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:56:57,941 INFO L225 Difference]: With dead ends: 112 [2024-11-09 06:56:57,941 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 06:56:57,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:56:57,950 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 51 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:56:57,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 198 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 06:56:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 06:56:57,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 43. [2024-11-09 06:56:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 06:56:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-11-09 06:56:57,966 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 92 [2024-11-09 06:56:57,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:56:57,968 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-11-09 06:56:57,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 06:56:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-11-09 06:56:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 06:56:57,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:56:57,971 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:56:57,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:58,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:58,173 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:56:58,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:56:58,174 INFO L85 PathProgramCache]: Analyzing trace with hash -471537713, now seen corresponding path program 1 times [2024-11-09 06:56:58,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:56:58,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322347662] [2024-11-09 06:56:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:56:58,178 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 06:56:58,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:56:58,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:58,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d0915b-0f7b-4c6c-88a7-73ae72bf0316/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 06:56:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:56:58,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 06:56:58,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:57:21,731 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:57:36,190 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:59:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 284 proven. 72 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 06:59:38,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:04:28,719 WARN L286 SmtUtils]: Spent 2.75m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:09:02,649 WARN L286 SmtUtils]: Spent 2.34m on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:09:56,540 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse15 ((_ zero_extend 24) c_~var_1_19~0)) (.cse17 (fp.sub c_currentRoundingMode c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0))) (.cse18 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0) c_~var_1_16~0))) (let ((.cse2 (bvuge c_~var_1_18~0 (bvmul (_ bv8 32) c_~var_1_8~0))) (.cse5 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq .cse17 (fp.add c_currentRoundingMode ~var_1_13~0 .cse18)))) (.cse3 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq .cse17 (fp.add c_currentRoundingMode ~var_1_13~0 .cse18))))) (.cse6 (= .cse15 ((_ zero_extend 24) c_~var_1_20~0))) (.cse7 (fp.eq c_~var_1_17~0 c_~var_1_14~0)) (.cse9 (= .cse15 c_~var_1_18~0)) (.cse10 (fp.eq .cse17 .cse17))) (let ((.cse13 (= c_~var_1_4~0 (_ bv0 8))) (.cse12 (= (_ bv0 8) c_~var_1_5~0)) (.cse0 (= (_ bv0 8) c_~var_1_6~0)) (.cse1 (or (not .cse2) (let ((.cse16 (and .cse6 .cse7 .cse9 .cse10))) (and (or .cse5 .cse16) (or .cse3 .cse16))))) (.cse8 ((_ zero_extend 24) c_~var_1_7~0)) (.cse11 (= c_~var_1_8~0 .cse15))) (and (or (not .cse0) (and .cse1 (or .cse2 (let ((.cse4 (and .cse6 .cse7 (= (_ bv1 32) .cse8) .cse9 .cse10))) (and (or .cse3 .cse4) (or .cse5 .cse4)))) .cse11) (not .cse12) (not .cse13)) (or (and .cse13 .cse12 .cse0) (and .cse1 (or .cse2 (let ((.cse14 (and .cse6 .cse7 (= (_ bv0 32) .cse8) .cse9 .cse10))) (and (or .cse14 .cse5) (or .cse14 .cse3)))) .cse11)))))) is different from true [2024-11-09 07:11:48,559 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse15 ((_ zero_extend 24) c_~var_1_19~0)) (.cse16 (fp.sub c_currentRoundingMode c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0))) (.cse17 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0) c_~var_1_16~0))) (let ((.cse6 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq .cse16 (fp.add c_currentRoundingMode ~var_1_13~0 .cse17)))) (.cse7 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq .cse16 (fp.add c_currentRoundingMode ~var_1_13~0 .cse17))))) (.cse8 (= .cse15 ((_ zero_extend 24) c_~var_1_20~0))) (.cse9 (fp.eq c_~var_1_17~0 c_~var_1_14~0)) (.cse11 (= .cse15 c_~var_1_18~0)) (.cse12 (fp.eq .cse16 .cse16)) (.cse4 (bvuge c_~var_1_18~0 (bvmul (_ bv8 32) .cse15)))) (let ((.cse2 (= (_ bv0 8) c_~var_1_6~0)) (.cse3 (or (let ((.cse14 (and .cse8 .cse9 .cse11 .cse12))) (and (or .cse6 .cse14) (or .cse7 .cse14))) (not .cse4))) (.cse10 ((_ zero_extend 24) c_~var_1_7~0)) (.cse1 (= (_ bv0 8) c_~var_1_5~0)) (.cse0 (= c_~var_1_4~0 (_ bv0 8)))) (and (or (and .cse0 .cse1 .cse2) (and .cse3 (or .cse4 (let ((.cse5 (and .cse8 .cse9 (= (_ bv0 32) .cse10) .cse11 .cse12))) (and (or .cse5 .cse6) (or .cse5 .cse7)))))) (or (not .cse2) (and .cse3 (or .cse4 (let ((.cse13 (and .cse8 .cse9 (= (_ bv1 32) .cse10) .cse11 .cse12))) (and (or .cse7 .cse13) (or .cse6 .cse13))))) (not .cse1) (not .cse0)))))) is different from false