./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:41:46,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:41:46,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:41:46,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:41:46,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:41:46,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:41:46,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:41:46,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:41:46,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:41:46,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:41:46,666 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:41:46,667 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:41:46,667 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:41:46,667 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:41:46,668 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:41:46,668 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:41:46,670 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:41:46,670 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:41:46,670 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:41:46,670 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:41:46,671 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:41:46,671 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:41:46,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:41:46,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:41:46,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:41:46,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:41:46,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:41:46,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:41:46,674 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:41:46,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:41:46,674 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b [2024-11-14 03:41:47,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:41:47,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:41:47,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:41:47,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:41:47,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:41:47,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i Unable to find full path for "g++" [2024-11-14 03:41:49,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:41:50,009 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:41:50,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2024-11-14 03:41:50,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data/bbef49498/9bea592d8836425994440e79d9b18a12/FLAG40823c98d [2024-11-14 03:41:50,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data/bbef49498/9bea592d8836425994440e79d9b18a12 [2024-11-14 03:41:50,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:41:50,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:41:50,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:41:50,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:41:50,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:41:50,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d90c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50, skipping insertion in model container [2024-11-14 03:41:50,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:41:50,328 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_ada848f1-b19b-487e-bd53-5663410ddeff/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2024-11-14 03:41:50,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:41:50,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:41:50,426 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_ada848f1-b19b-487e-bd53-5663410ddeff/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2024-11-14 03:41:50,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:41:50,479 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:41:50,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50 WrapperNode [2024-11-14 03:41:50,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:41:50,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:41:50,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:41:50,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:41:50,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,543 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-14 03:41:50,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:41:50,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:41:50,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:41:50,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:41:50,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:41:50,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:41:50,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:41:50,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:41:50,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (1/1) ... [2024-11-14 03:41:50,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:41:50,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:41:50,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:41:50,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:41:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:41:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:41:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:41:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:41:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:41:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:41:50,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:41:50,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:41:51,321 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 03:41:51,322 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:41:51,676 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:41:51,678 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:41:51,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:41:51 BoogieIcfgContainer [2024-11-14 03:41:51,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:41:51,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:41:51,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:41:51,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:41:51,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:41:50" (1/3) ... [2024-11-14 03:41:51,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17811059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:41:51, skipping insertion in model container [2024-11-14 03:41:51,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:41:50" (2/3) ... [2024-11-14 03:41:51,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17811059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:41:51, skipping insertion in model container [2024-11-14 03:41:51,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:41:51" (3/3) ... [2024-11-14 03:41:51,697 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-64.i [2024-11-14 03:41:51,719 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:41:51,721 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-64.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:41:51,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:41:51,842 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;@4afed6f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:41:51,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:41:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:41:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 03:41:51,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:51,865 INFO L215 NwaCegarLoop]: trace histogram [20, 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, 1] [2024-11-14 03:41:51,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:41:51,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:51,873 INFO L85 PathProgramCache]: Analyzing trace with hash 733698399, now seen corresponding path program 1 times [2024-11-14 03:41:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:51,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102682100] [2024-11-14 03:41:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:41:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:41:52,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015186762] [2024-11-14 03:41:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:52,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:41:52,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:41:52,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:41:52,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:41:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:41:52,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:41:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:41:53,283 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:41:53,287 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:41:53,288 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:41:53,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:41:53,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:41:53,502 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:41:53,614 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:41:53,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:41:53 BoogieIcfgContainer [2024-11-14 03:41:53,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:41:53,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:41:53,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:41:53,621 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:41:53,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:41:51" (3/4) ... [2024-11-14 03:41:53,625 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:41:53,626 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:41:53,631 INFO L158 Benchmark]: Toolchain (without parser) took 3566.73ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 84.0MB in the end (delta: 32.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-14 03:41:53,632 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:41:53,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.26ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.5MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:41:53,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.69ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:41:53,633 INFO L158 Benchmark]: Boogie Preprocessor took 57.27ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:41:53,634 INFO L158 Benchmark]: RCFGBuilder took 1076.46ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 57.7MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 03:41:53,634 INFO L158 Benchmark]: TraceAbstraction took 1936.59ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 84.0MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:41:53,639 INFO L158 Benchmark]: Witness Printer took 6.38ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:41:53,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.26ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.5MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.69ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.27ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1076.46ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 57.7MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1936.59ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 84.0MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.38ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of bitwiseAnd at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.9; [L23] unsigned long int var_1_2 = 128; [L24] unsigned long int var_1_3 = 2941876006; [L25] unsigned long int var_1_5 = 256; [L26] float var_1_6 = 63.5; [L27] float var_1_7 = -0.151; [L28] float var_1_8 = 0.8; [L29] double var_1_9 = 9.5; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] signed short int var_1_13 = -2; [L34] unsigned char var_1_16 = 10; [L35] unsigned short int var_1_17 = 8; [L36] unsigned char var_1_18 = 16; [L37] unsigned char last_1_var_1_16 = 10; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] last_1_var_1_16 = var_1_16 [L115] RET updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=2941876006, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L75] var_1_3 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=256, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L78] var_1_5 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L80] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L81] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_6=127/2, var_1_8=4/5, var_1_9=19/2] [L82] var_1_6 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L84] var_1_7 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_8=4/5, var_1_9=19/2] [L86] var_1_8 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_9=19/2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1, var_1_9=19/2] [L88] var_1_9 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L92] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L93] var_1_12 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L95] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=8, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L96] var_1_17 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L98] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L99] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=1, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=1, var_1_18=16, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L100] var_1_18 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=1, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=1, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L102] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=1, var_1_18=0, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=10, var_1_17=1, var_1_18=0, var_1_1=9/10, var_1_3=8589934591, var_1_5=1] [L116] RET updateVariables() [L117] CALL step() [L41] signed long int stepLocal_1 = last_1_var_1_16; [L42] unsigned long int stepLocal_0 = var_1_3; [L43] COND TRUE stepLocal_1 <= (var_1_3 - last_1_var_1_16) [L44] COND FALSE !(stepLocal_0 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) [L49] var_1_1 = var_1_9 [L52] COND TRUE var_1_1 < var_1_1 [L53] var_1_10 = (! (var_1_11 && var_1_12)) [L55] EXPR var_1_2 & (var_1_5 / var_1_17) [L55] unsigned long int stepLocal_2 = var_1_2 & (var_1_5 / var_1_17); [L56] COND FALSE !(stepLocal_2 > var_1_3) [L63] var_1_16 = var_1_18 [L65] COND FALSE !(\read(var_1_10)) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) [L108-L109] return ((((last_1_var_1_16 <= (var_1_3 - last_1_var_1_16)) ? ((var_1_3 < (((((last_1_var_1_16 / var_1_5)) > (last_1_var_1_16)) ? ((last_1_var_1_16 / var_1_5)) : (last_1_var_1_16)))) ? (((var_1_6 + var_1_7) > var_1_8) ? (var_1_1 == ((double) var_1_9)) : 1) : (var_1_1 == ((double) var_1_9))) : 1) && ((var_1_1 < var_1_1) ? (var_1_10 == ((unsigned char) (! (var_1_11 && var_1_12)))) : 1)) && (var_1_10 ? ((var_1_12 || (var_1_1 < (var_1_1 * var_1_1))) ? (var_1_13 == ((signed short int) (var_1_16 + var_1_16))) : 1) : 1)) && (((var_1_2 & (var_1_5 / var_1_17)) > var_1_3) ? ((! var_1_10) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_18))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=2, var_1_2=-4294967296, var_1_3=8589934591, var_1_5=1, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=-2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=2, var_1_2=-4294967296, var_1_3=8589934591, var_1_5=1, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 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 [2024-11-14 03:41:53,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:41:56,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:41:57,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:41:57,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:41:57,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:41:57,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:41:57,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:41:57,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:41:57,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:41:57,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:41:57,110 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:41:57,110 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:41:57,110 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:41:57,111 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:41:57,111 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:41:57,111 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:41:57,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:41:57,113 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:41:57,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:41:57,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:41:57,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:41:57,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:41:57,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:41:57,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:41:57,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:41:57,115 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:41:57,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:41:57,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:41:57,116 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:41:57,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e583a0a9f7f2653eed51c0b81d821a7cc045000a63c3ac74a8989888b39b3b [2024-11-14 03:41:57,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:41:57,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:41:57,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:41:57,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:41:57,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:41:57,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i Unable to find full path for "g++" [2024-11-14 03:42:00,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:42:00,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:42:00,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i [2024-11-14 03:42:00,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data/e99e77648/8a502081ecf641a486858a550c9bd7f0/FLAG87b3a75f2 [2024-11-14 03:42:00,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/data/e99e77648/8a502081ecf641a486858a550c9bd7f0 [2024-11-14 03:42:00,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:42:00,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:42:00,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:42:00,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:42:00,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:42:00,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:00,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e90b619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00, skipping insertion in model container [2024-11-14 03:42:00,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:00,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:42:00,768 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_ada848f1-b19b-487e-bd53-5663410ddeff/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2024-11-14 03:42:00,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:42:00,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:42:00,903 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_ada848f1-b19b-487e-bd53-5663410ddeff/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-64.i[917,930] [2024-11-14 03:42:00,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:42:00,959 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:42:00,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00 WrapperNode [2024-11-14 03:42:00,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:42:00,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:42:00,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:42:00,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:42:00,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:00,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,023 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-14 03:42:01,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:42:01,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:42:01,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:42:01,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:42:01,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:42:01,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:42:01,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:42:01,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:42:01,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (1/1) ... [2024-11-14 03:42:01,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:42:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:42:01,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:42:01,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:42:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:42:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:42:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:42:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:42:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:42:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:42:01,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:42:01,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:42:04,127 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 03:42:04,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:42:04,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:42:04,143 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:42:04,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:42:04 BoogieIcfgContainer [2024-11-14 03:42:04,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:42:04,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:42:04,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:42:04,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:42:04,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:42:00" (1/3) ... [2024-11-14 03:42:04,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:42:04, skipping insertion in model container [2024-11-14 03:42:04,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:42:00" (2/3) ... [2024-11-14 03:42:04,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:42:04, skipping insertion in model container [2024-11-14 03:42:04,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:42:04" (3/3) ... [2024-11-14 03:42:04,158 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-64.i [2024-11-14 03:42:04,182 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:42:04,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-64.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:42:04,289 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:42:04,307 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;@74677a4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:42:04,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:42:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:42:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 03:42:04,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:04,332 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:04,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:04,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:04,340 INFO L85 PathProgramCache]: Analyzing trace with hash 505590560, now seen corresponding path program 1 times [2024-11-14 03:42:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:42:04,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594285667] [2024-11-14 03:42:04,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:04,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:42:04,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:42:04,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:42:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:42:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:05,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:42:05,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:42:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-14 03:42:05,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:42:05,150 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:42:05,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594285667] [2024-11-14 03:42:05,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594285667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:05,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:05,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:42:05,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347450536] [2024-11-14 03:42:05,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:05,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:42:05,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:42:05,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:42:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:42:05,202 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 03:42:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:05,254 INFO L93 Difference]: Finished difference Result 111 states and 192 transitions. [2024-11-14 03:42:05,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:42:05,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-14 03:42:05,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:05,265 INFO L225 Difference]: With dead ends: 111 [2024-11-14 03:42:05,265 INFO L226 Difference]: Without dead ends: 55 [2024-11-14 03:42:05,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:42:05,273 INFO L432 NwaCegarLoop]: 81 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, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:05,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:42:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-14 03:42:05,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-14 03:42:05,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:42:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-11-14 03:42:05,349 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 125 [2024-11-14 03:42:05,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:05,350 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-11-14 03:42:05,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 03:42:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-14 03:42:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 03:42:05,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:05,357 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:05,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:42:05,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:42:05,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:05,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:05,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1159685742, now seen corresponding path program 1 times [2024-11-14 03:42:05,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:42:05,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293622440] [2024-11-14 03:42:05,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:05,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:42:05,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:42:05,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:42:05,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:42:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:06,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 03:42:06,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:42:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 03:42:38,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:42:38,561 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:42:38,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293622440] [2024-11-14 03:42:38,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293622440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:42:38,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:42:38,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:42:38,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764655071] [2024-11-14 03:42:38,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:42:38,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:42:38,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:42:38,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:42:38,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:42:38,565 INFO L87 Difference]: Start difference. First operand 55 states and 81 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:42:41,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:43,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:45,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:49,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:42:49,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:42:49,101 INFO L93 Difference]: Finished difference Result 179 states and 263 transitions. [2024-11-14 03:42:49,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:42:49,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-11-14 03:42:49,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:42:49,130 INFO L225 Difference]: With dead ends: 179 [2024-11-14 03:42:49,131 INFO L226 Difference]: Without dead ends: 127 [2024-11-14 03:42:49,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:42:49,133 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 69 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 45 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:42:49,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 445 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 227 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2024-11-14 03:42:49,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-14 03:42:49,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2024-11-14 03:42:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 03:42:49,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2024-11-14 03:42:49,171 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 125 [2024-11-14 03:42:49,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:42:49,172 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2024-11-14 03:42:49,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:42:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2024-11-14 03:42:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-14 03:42:49,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:42:49,176 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:42:49,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:42:49,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:42:49,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:42:49,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:42:49,377 INFO L85 PathProgramCache]: Analyzing trace with hash -460828132, now seen corresponding path program 1 times [2024-11-14 03:42:49,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:42:49,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087096435] [2024-11-14 03:42:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:42:49,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:42:49,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:42:49,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:42:49,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:42:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:42:49,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-14 03:42:49,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:43:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-14 03:43:15,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:46:24,807 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:46:24,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087096435] [2024-11-14 03:46:24,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087096435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:46:24,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [688679392] [2024-11-14 03:46:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:46:24,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:46:24,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:46:24,812 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:46:24,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 03:46:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:46:25,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 03:46:25,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:48:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-14 03:48:10,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:50:56,999 WARN L286 SmtUtils]: Spent 15.96s on a formula simplification. DAG size of input: 127 DAG size of output: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:51:54,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [688679392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695491871] [2024-11-14 03:51:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:54,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:54,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:54,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:51:54,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:51:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:54,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 03:51:54,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:52:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 369 proven. 81 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-14 03:52:57,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:55:44,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695491871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:55:44,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:55:44,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 9] total 24 [2024-11-14 03:55:44,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183443134] [2024-11-14 03:55:44,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:55:44,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 03:55:44,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:55:44,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 03:55:44,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=996, Unknown=0, NotChecked=0, Total=1190 [2024-11-14 03:55:44,030 INFO L87 Difference]: Start difference. First operand 102 states and 151 transitions. Second operand has 24 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 6 states have call successors, (60), 6 states have call predecessors, (60), 9 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2024-11-14 03:56:15,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:56:16,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:56:20,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:56:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:56:25,263 INFO L93 Difference]: Finished difference Result 218 states and 311 transitions. [2024-11-14 03:56:25,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 03:56:25,266 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 6 states have call successors, (60), 6 states have call predecessors, (60), 9 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) Word has length 126 [2024-11-14 03:56:25,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:56:25,270 INFO L225 Difference]: With dead ends: 218 [2024-11-14 03:56:25,271 INFO L226 Difference]: Without dead ends: 162 [2024-11-14 03:56:25,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 161.3s TimeCoverageRelationStatistics Valid=563, Invalid=2193, Unknown=0, NotChecked=0, Total=2756 [2024-11-14 03:56:25,274 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 165 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:56:25,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 415 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2024-11-14 03:56:25,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-14 03:56:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2024-11-14 03:56:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.0975609756097562) internal successors, (90), 83 states have internal predecessors, (90), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 03:56:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2024-11-14 03:56:25,321 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 126 [2024-11-14 03:56:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:56:25,321 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2024-11-14 03:56:25,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 6 states have call successors, (60), 6 states have call predecessors, (60), 9 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2024-11-14 03:56:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2024-11-14 03:56:25,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-14 03:56:25,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:56:25,326 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:56:25,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-14 03:56:25,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-14 03:56:25,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 03:56:25,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:56:25,928 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:56:25,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:56:25,928 INFO L85 PathProgramCache]: Analyzing trace with hash -322763639, now seen corresponding path program 1 times [2024-11-14 03:56:25,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:56:25,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213968647] [2024-11-14 03:56:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:25,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:56:25,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:56:25,931 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:56:25,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 03:56:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:56:26,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:56:26,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:56:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 340 proven. 87 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-14 03:56:27,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:56:33,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:56:33,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213968647] [2024-11-14 03:56:33,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213968647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:56:33,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1203540541] [2024-11-14 03:56:33,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:33,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:56:33,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:56:33,760 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:56:33,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada848f1-b19b-487e-bd53-5663410ddeff/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 03:56:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:56:34,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-14 03:56:34,870 INFO L278 TraceCheckSpWp]: Computing forward predicates...