./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:26:07,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:26:07,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:26:07,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:26:07,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:26:07,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:26:07,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:26:07,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:26:07,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:26:07,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:26:07,715 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:26:07,716 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:26:07,716 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:26:07,716 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:26:07,717 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:26:07,717 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:26:07,717 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:26:07,718 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:26:07,721 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:26:07,722 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:26:07,722 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:26:07,723 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:26:07,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:26:07,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:26:07,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:26:07,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:26:07,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:26:07,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:26:07,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:26:07,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:26:07,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:26:07,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:26:07,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:26:07,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:26:07,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:26:07,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:26:07,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:26:07,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:26:07,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:26:07,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:26:07,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:26:07,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:26:07,736 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:26:07,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:26:07,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:26:07,737 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:26:07,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:26:07,738 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_77011dd9-9fc2-4616-9dec-738d68f75d7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-11-09 05:26:08,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:26:08,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:26:08,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:26:08,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:26:08,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:26:08,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i Unable to find full path for "g++" [2024-11-09 05:26:10,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:26:10,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:26:10,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-09 05:26:10,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data/c9b273f8e/19a4afaadd1040a2a67f56bb68164a5a/FLAG9b1adc236 [2024-11-09 05:26:10,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data/c9b273f8e/19a4afaadd1040a2a67f56bb68164a5a [2024-11-09 05:26:10,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:26:10,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:26:10,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:26:10,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:26:10,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:26:10,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:26:10" (1/1) ... [2024-11-09 05:26:10,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e214d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:10, skipping insertion in model container [2024-11-09 05:26:10,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:26:10" (1/1) ... [2024-11-09 05:26:10,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:26:11,157 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_77011dd9-9fc2-4616-9dec-738d68f75d7e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-09 05:26:11,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:26:11,227 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:26:11,242 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_77011dd9-9fc2-4616-9dec-738d68f75d7e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-09 05:26:11,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:26:11,287 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:26:11,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11 WrapperNode [2024-11-09 05:26:11,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:26:11,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:26:11,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:26:11,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:26:11,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,332 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-09 05:26:11,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:26:11,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:26:11,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:26:11,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:26:11,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:26:11,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:26:11,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:26:11,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:26:11,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (1/1) ... [2024-11-09 05:26:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:26:11,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:26:11,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:26:11,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:26:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:26:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:26:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:26:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:26:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:26:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:26:11,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:26:11,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:26:11,883 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:26:11,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:26:12,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:26:12,079 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:26:12,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:12 BoogieIcfgContainer [2024-11-09 05:26:12,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:26:12,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:26:12,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:26:12,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:26:12,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:26:10" (1/3) ... [2024-11-09 05:26:12,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488a290a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:26:12, skipping insertion in model container [2024-11-09 05:26:12,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:11" (2/3) ... [2024-11-09 05:26:12,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488a290a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:26:12, skipping insertion in model container [2024-11-09 05:26:12,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:12" (3/3) ... [2024-11-09 05:26:12,097 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-09 05:26:12,127 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:26:12,127 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:26:12,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:26:12,192 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;@14ae0067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:26:12,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:26:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:26:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 05:26:12,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:12,205 INFO L215 NwaCegarLoop]: trace histogram [16, 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 05:26:12,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:12,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:12,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1921707803, now seen corresponding path program 1 times [2024-11-09 05:26:12,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:26:12,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494489559] [2024-11-09 05:26:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:26:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:26:12,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:26:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:26:12,689 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:26:12,692 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:26:12,693 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:26:12,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:26:12,701 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:26:12,802 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:26:12,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:26:12 BoogieIcfgContainer [2024-11-09 05:26:12,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:26:12,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:26:12,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:26:12,815 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:26:12,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:12" (3/4) ... [2024-11-09 05:26:12,821 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:26:12,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:26:12,826 INFO L158 Benchmark]: Toolchain (without parser) took 1890.66ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 93.7MB in the beginning and 103.2MB in the end (delta: -9.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-09 05:26:12,827 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:26:12,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.31ms. Allocated memory is still 132.1MB. Free memory was 93.3MB in the beginning and 79.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:26:12,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.18ms. Allocated memory is still 132.1MB. Free memory was 79.4MB in the beginning and 77.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:26:12,831 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:26:12,832 INFO L158 Benchmark]: RCFGBuilder took 710.52ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 75.7MB in the beginning and 135.7MB in the end (delta: -60.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-09 05:26:12,834 INFO L158 Benchmark]: TraceAbstraction took 725.45ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 103.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 05:26:12,835 INFO L158 Benchmark]: Witness Printer took 8.08ms. Allocated memory is still 169.9MB. Free memory was 103.2MB in the beginning and 103.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:26:12,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.31ms. Allocated memory is still 132.1MB. Free memory was 93.3MB in the beginning and 79.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.18ms. Allocated memory is still 132.1MB. Free memory was 79.4MB in the beginning and 77.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 710.52ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 75.7MB in the beginning and 135.7MB in the end (delta: -60.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 725.45ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 103.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 8.08ms. Allocated memory is still 169.9MB. Free memory was 103.2MB in the beginning and 103.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 to_int at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000000; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = -32; [L26] signed long int var_1_9 = 100; [L27] signed long int var_1_12 = 25; [L28] signed long int var_1_13 = 63; [L29] signed long int var_1_14 = 0; [L30] signed long int var_1_15 = 0; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] signed long int last_1_var_1_9 = 100; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 [L100] RET updateLastVariables() [L101] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L70] var_1_12 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L73] var_1_13 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L76] var_1_14 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L79] var_1_15 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L81] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L82] var_1_17 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L84] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L85] var_1_19 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L87] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L101] RET updateVariables() [L102] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 [L50] COND TRUE \read(var_1_3) [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) [L59] COND FALSE !(var_1_4 > var_1_9) [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((signed long int) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((signed long int) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=126, var_1_17=126, var_1_18=-2, var_1_19=-2, var_1_1=4, var_1_20=-2, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=2147483647, var_1_16=126, var_1_17=126, var_1_18=-2, var_1_19=-2, var_1_1=4, var_1_20=-2, var_1_3=1, var_1_4=4, var_1_5=-32, var_1_9=100] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 16, 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=33occurred 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, 60 NumberOfCodeBlocks, 60 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 05:26:12,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:26:15,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:26:15,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:26:15,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:26:15,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:26:15,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:26:15,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:26:15,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:26:15,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:26:15,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:26:15,574 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:26:15,574 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:26:15,575 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:26:15,575 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:26:15,575 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:26:15,576 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:26:15,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:26:15,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:26:15,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:26:15,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:26:15,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:26:15,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:26:15,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:26:15,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:26:15,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:26:15,584 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:26:15,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:26:15,585 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:26:15,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:26:15,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:26:15,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:26:15,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:26:15,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:26:15,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:26:15,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:26:15,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:26:15,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:26:15,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:26:15,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:26:15,591 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:26:15,591 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:26:15,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:26:15,594 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:26:15,594 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_77011dd9-9fc2-4616-9dec-738d68f75d7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-11-09 05:26:16,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:26:16,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:26:16,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:26:16,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:26:16,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:26:16,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i Unable to find full path for "g++" [2024-11-09 05:26:18,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:26:18,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:26:18,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-09 05:26:18,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data/a1a78645a/4896cbab12da4c18838b9048ede2d696/FLAG4698ffd6c [2024-11-09 05:26:18,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/data/a1a78645a/4896cbab12da4c18838b9048ede2d696 [2024-11-09 05:26:18,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:26:18,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:26:18,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:26:18,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:26:18,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:26:18,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:26:18" (1/1) ... [2024-11-09 05:26:18,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a53ac27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:18, skipping insertion in model container [2024-11-09 05:26:18,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:26:18" (1/1) ... [2024-11-09 05:26:18,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:26:19,063 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_77011dd9-9fc2-4616-9dec-738d68f75d7e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-09 05:26:19,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:26:19,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:26:19,171 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_77011dd9-9fc2-4616-9dec-738d68f75d7e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-09 05:26:19,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:26:19,227 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:26:19,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19 WrapperNode [2024-11-09 05:26:19,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:26:19,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:26:19,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:26:19,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:26:19,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,289 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-09 05:26:19,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:26:19,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:26:19,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:26:19,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:26:19,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:26:19,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:26:19,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:26:19,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:26:19,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (1/1) ... [2024-11-09 05:26:19,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:26:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:26:19,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:26:19,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:26:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:26:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:26:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:26:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:26:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:26:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:26:19,523 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:26:19,548 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:26:24,039 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:26:24,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:26:24,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:26:24,058 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:26:24,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:24 BoogieIcfgContainer [2024-11-09 05:26:24,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:26:24,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:26:24,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:26:24,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:26:24,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:26:18" (1/3) ... [2024-11-09 05:26:24,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3c3e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:26:24, skipping insertion in model container [2024-11-09 05:26:24,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:26:19" (2/3) ... [2024-11-09 05:26:24,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3c3e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:26:24, skipping insertion in model container [2024-11-09 05:26:24,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:26:24" (3/3) ... [2024-11-09 05:26:24,072 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-09 05:26:24,090 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:26:24,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:26:24,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:26:24,189 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;@589afa75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:26:24,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:26:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:26:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 05:26:24,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:24,212 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1] [2024-11-09 05:26:24,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:24,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash 291713911, now seen corresponding path program 1 times [2024-11-09 05:26:24,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:26:24,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602772500] [2024-11-09 05:26:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:24,238 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 05:26:24,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:26:24,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:26:24,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:26:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:24,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:26:24,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:26:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-09 05:26:24,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:26:24,590 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:26:24,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602772500] [2024-11-09 05:26:24,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602772500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:26:24,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:26:24,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:26:24,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693580804] [2024-11-09 05:26:24,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:26:24,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:26:24,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:26:24,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:26:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:26:24,636 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:26:24,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:26:24,680 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-11-09 05:26:24,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:26:24,682 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-09 05:26:24,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:26:24,692 INFO L225 Difference]: With dead ends: 93 [2024-11-09 05:26:24,692 INFO L226 Difference]: Without dead ends: 46 [2024-11-09 05:26:24,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 05:26:24,704 INFO L432 NwaCegarLoop]: 66 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, 66 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 05:26:24,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:26:24,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-09 05:26:24,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-09 05:26:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:26:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-09 05:26:24,764 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-11-09 05:26:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:26:24,765 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-09 05:26:24,765 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 05:26:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-09 05:26:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 05:26:24,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:26:24,769 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1] [2024-11-09 05:26:24,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:26:24,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:26:24,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:26:24,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:26:24,971 INFO L85 PathProgramCache]: Analyzing trace with hash -780528777, now seen corresponding path program 1 times [2024-11-09 05:26:24,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:26:24,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709003719] [2024-11-09 05:26:24,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:24,973 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 05:26:24,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:26:24,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:26:24,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:26:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:26:25,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:26:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:26:25,490 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-09 05:26:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1916265062] [2024-11-09 05:26:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:26:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:26:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:26:25,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:26:25,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:26:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:26:25,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:26:25,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:27:29,608 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from false [2024-11-09 05:27:31,641 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from true [2024-11-09 05:28:38,244 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (= (bvadd ((_ zero_extend 16) c_~var_1_18~0) (bvmul ((_ zero_extend 16) c_~var_1_20~0) (_ bv2 32))) (bvadd c_~var_1_5~0 (_ bv2 32))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (bvsgt c_~var_1_4~0 c_~var_1_9~0) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from false [2024-11-09 05:28:40,276 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (= (bvadd ((_ zero_extend 16) c_~var_1_18~0) (bvmul ((_ zero_extend 16) c_~var_1_20~0) (_ bv2 32))) (bvadd c_~var_1_5~0 (_ bv2 32))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (bvsgt c_~var_1_4~0 c_~var_1_9~0) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from true [2024-11-09 05:37:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 05:37:25,666 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:25,667 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:25,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709003719] [2024-11-09 05:37:25,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:37:25,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1916265062] [2024-11-09 05:37:25,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1916265062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:25,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:25,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 05:37:25,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264378240] [2024-11-09 05:37:25,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:25,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:37:25,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:25,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:37:25,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=28, Unknown=4, NotChecked=22, Total=72 [2024-11-09 05:37:25,678 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 05:37:29,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:31,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:33,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:36,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:38,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:39,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:41,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:43,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:45,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:47,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:48,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:51,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:51,595 INFO L93 Difference]: Finished difference Result 105 states and 150 transitions. [2024-11-09 05:37:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:37:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2024-11-09 05:37:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:51,610 INFO L225 Difference]: With dead ends: 105 [2024-11-09 05:37:51,610 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 05:37:51,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=18, Invalid=28, Unknown=4, NotChecked=22, Total=72 [2024-11-09 05:37:51,613 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 185 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:51,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 249 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 9 Unknown, 185 Unchecked, 25.9s Time] [2024-11-09 05:37:51,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 05:37:51,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2024-11-09 05:37:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:37:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2024-11-09 05:37:51,636 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 102 [2024-11-09 05:37:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:51,639 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2024-11-09 05:37:51,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 05:37:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2024-11-09 05:37:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 05:37:51,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:51,642 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1] [2024-11-09 05:37:51,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 05:37:51,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:52,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:37:52,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:37:52,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:52,044 INFO L85 PathProgramCache]: Analyzing trace with hash -778681735, now seen corresponding path program 1 times [2024-11-09 05:37:52,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:52,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724531262] [2024-11-09 05:37:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:52,048 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 05:37:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:52,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/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 05:37:52,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 05:37:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:37:52,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:37:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:37:52,546 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-09 05:37:52,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1502960821] [2024-11-09 05:37:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:52,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:52,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:52,554 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:52,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77011dd9-9fc2-4616-9dec-738d68f75d7e/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 05:37:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:52,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:37:52,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:58,892 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from false [2024-11-09 05:39:00,936 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from true [2024-11-09 05:40:01,312 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (not (bvsgt c_~var_1_4~0 c_~var_1_9~0)) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from false [2024-11-09 05:40:03,357 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvslt c_~var_1_4~0 (_ bv0 32)))) (or (and .cse0 (= (bvneg c_~var_1_4~0) c_~var_1_1~0)) (and (= c_~var_1_4~0 c_~var_1_1~0) (not .cse0)))) (= c_~var_1_20~0 c_~var_1_19~0) (= c_~var_1_18~0 c_~var_1_19~0) (= c_~var_1_16~0 c_~var_1_17~0) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 2.0)))) (let ((.cse1 (fp.lt .cse4 .cse2)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (or (and (not .cse1) (= c_~var_1_9~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse2 .cse3)))) (and .cse1 (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode .cse4 .cse3)) c_~var_1_9~0))))) (not (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 8.0)) ((_ to_fp 8 24) c_currentRoundingMode c_~last_1_var_1_9~0))) (not (bvsgt c_~var_1_4~0 c_~var_1_9~0)) (not (= c_~var_1_3~0 (_ bv0 8)))) is different from true