./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:03:56,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:03:56,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:03:56,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:03:56,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:03:56,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:03:56,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:03:56,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:03:56,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:03:56,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:03:56,442 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:03:56,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:03:56,442 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:03:56,442 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:03:56,443 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:03:56,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:03:56,443 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:03:56,443 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:03:56,443 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:03:56,444 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:03:56,444 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:03:56,444 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:03:56,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:03:56,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:03:56,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:03:56,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:03:56,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:03:56,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:03:56,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:03:56,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:03:56,449 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:03:56,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:03:56,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:03:56,450 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:03:56,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:03:56,450 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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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 -> 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 [2024-11-14 03:03:56,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:03:56,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:03:56,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:03:56,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:03:56,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:03:56,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i Unable to find full path for "g++" [2024-11-14 03:03:58,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:03:59,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:03:59,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-14 03:03:59,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data/0a8996aba/1e6010928e6846839501316edea6b9bf/FLAG821a98007 [2024-11-14 03:03:59,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data/0a8996aba/1e6010928e6846839501316edea6b9bf [2024-11-14 03:03:59,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:03:59,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:03:59,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:03:59,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:03:59,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:03:59,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c7869f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59, skipping insertion in model container [2024-11-14 03:03:59,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:03:59,293 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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-14 03:03:59,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:03:59,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:03:59,385 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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-14 03:03:59,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:03:59,456 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:03:59,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59 WrapperNode [2024-11-14 03:03:59,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:03:59,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:03:59,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:03:59,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:03:59,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,510 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-14 03:03:59,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:03:59,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:03:59,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:03:59,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:03:59,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:03:59,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:03:59,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:03:59,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:03:59,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (1/1) ... [2024-11-14 03:03:59,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:03:59,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:03:59,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:03:59,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:03:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:03:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:03:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:03:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:03:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:03:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:03:59,727 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:03:59,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:04:00,121 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-14 03:04:00,121 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:04:00,311 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:04:00,311 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:04:00,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:04:00 BoogieIcfgContainer [2024-11-14 03:04:00,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:04:00,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:04:00,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:04:00,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:04:00,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:03:59" (1/3) ... [2024-11-14 03:04:00,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eda9cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:04:00, skipping insertion in model container [2024-11-14 03:04:00,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:03:59" (2/3) ... [2024-11-14 03:04:00,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eda9cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:04:00, skipping insertion in model container [2024-11-14 03:04:00,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:04:00" (3/3) ... [2024-11-14 03:04:00,323 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-14 03:04:00,341 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:04:00,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-2.i that has 2 procedures, 28 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:04:00,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:04:00,428 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@125cf51b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:04:00,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:04:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 03:04:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 03:04:00,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:00,445 INFO L215 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:00,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:04:00,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:00,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1397362397, now seen corresponding path program 1 times [2024-11-14 03:04:00,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:04:00,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657729075] [2024-11-14 03:04:00,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:04:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:04:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589665992] [2024-11-14 03:04:00,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:00,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:04:00,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:04:00,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:04:00,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:04:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:04:00,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:04:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:04:01,139 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:04:01,141 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:04:01,142 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:04:01,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:04:01,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:04:01,354 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:04:01,412 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:04:01,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:04:01 BoogieIcfgContainer [2024-11-14 03:04:01,421 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:04:01,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:04:01,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:04:01,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:04:01,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:04:00" (3/4) ... [2024-11-14 03:04:01,426 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:04:01,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:04:01,429 INFO L158 Benchmark]: Toolchain (without parser) took 2343.16ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 100.4MB in the end (delta: 17.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-14 03:04:01,431 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:04:01,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.47ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 104.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:04:01,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.16ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 101.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:04:01,432 INFO L158 Benchmark]: Boogie Preprocessor took 40.26ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:04:01,433 INFO L158 Benchmark]: RCFGBuilder took 760.20ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 65.0MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:04:01,433 INFO L158 Benchmark]: TraceAbstraction took 1106.74ms. Allocated memory is still 142.6MB. Free memory was 64.7MB in the beginning and 101.2MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:04:01,433 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.4MB in the end (delta: 772.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:04:01,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.47ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 104.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.16ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 101.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.26ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.20ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 65.0MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1106.74ms. Allocated memory is still 142.6MB. Free memory was 64.7MB in the beginning and 101.2MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.4MB in the end (delta: 772.4kB). 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 shiftLeft at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someUnaryDOUBLEoperation at line 29. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned short int var_1_5 = 200; [L24] unsigned short int var_1_6 = 56955; [L25] unsigned short int var_1_7 = 32; [L26] unsigned short int var_1_8 = 1; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 1; [L29] float var_1_11 = -0.6; [L30] float var_1_12 = 9.125; [L31] float var_1_13 = 50.5; [L32] unsigned short int last_1_var_1_1 = 10; [L33] unsigned short int last_1_var_1_9 = 8; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L85] last_1_var_1_1 = var_1_1 [L86] last_1_var_1_9 = var_1_9 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L66] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L67] var_1_6 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L69] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L70] var_1_7 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_8=1, var_1_9=8] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=1, var_1_9=8] [L73] var_1_8 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_9=8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L76] var_1_10 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L79] var_1_12 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_13=101/2, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L81] var_1_13 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_1=10, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=8] [L97] RET updateVariables() [L98] CALL step() [L37] COND TRUE last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1) [L38] var_1_1 = ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))) [L40] COND FALSE !(var_1_10 || (var_1_6 == var_1_8)) [L51] var_1_9 = var_1_6 [L53] COND TRUE var_1_7 != var_1_6 [L54] COND TRUE var_1_7 <= var_1_9 [L55] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) [L89] EXPR (var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)) [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) [L89-L90] return (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)))) && ((var_1_7 != var_1_6) ? ((var_1_7 <= var_1_9) ? (var_1_11 == ((float) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_11 == ((float) var_1_12))) : (var_1_11 == ((float) var_1_12))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_13=0, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=0, var_1_11=2, var_1_12=2, var_1_13=0, var_1_1=32768, var_1_5=0, var_1_6=32767, var_1_7=0, var_1_8=32768, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 12, 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=28occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 03:04:01,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:04:04,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:04:04,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:04:04,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:04:04,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:04:04,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:04:04,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:04:04,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:04:04,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:04:04,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:04:04,369 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:04:04,369 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:04:04,369 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:04:04,369 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:04:04,370 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:04:04,370 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:04:04,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:04:04,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:04:04,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:04:04,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:04:04,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:04:04,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:04:04,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:04:04,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:04:04,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:04:04,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:04:04,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:04:04,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:04:04,375 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:04:04,375 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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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 -> 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 [2024-11-14 03:04:04,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:04:04,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:04:04,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:04:04,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:04:04,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:04:04,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i Unable to find full path for "g++" [2024-11-14 03:04:06,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:04:07,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:04:07,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-14 03:04:07,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data/ced78d3e4/51b8b9140ca14d549d9cbf4eb087b349/FLAGcda82abd4 [2024-11-14 03:04:07,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/data/ced78d3e4/51b8b9140ca14d549d9cbf4eb087b349 [2024-11-14 03:04:07,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:04:07,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:04:07,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:04:07,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:04:07,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:04:07,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760b104e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07, skipping insertion in model container [2024-11-14 03:04:07,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:04:07,384 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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-14 03:04:07,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:04:07,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:04:07,502 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_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-14 03:04:07,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:04:07,560 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:04:07,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07 WrapperNode [2024-11-14 03:04:07,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:04:07,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:04:07,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:04:07,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:04:07,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,628 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-11-14 03:04:07,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:04:07,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:04:07,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:04:07,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:04:07,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:04:07,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:04:07,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:04:07,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:04:07,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (1/1) ... [2024-11-14 03:04:07,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:04:07,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:04:07,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:04:07,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:04:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:04:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:04:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:04:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:04:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:04:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:04:07,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:04:07,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:04:08,239 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 03:04:08,239 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:04:08,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:04:08,250 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:04:08,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:04:08 BoogieIcfgContainer [2024-11-14 03:04:08,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:04:08,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:04:08,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:04:08,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:04:08,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:04:07" (1/3) ... [2024-11-14 03:04:08,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee3e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:04:08, skipping insertion in model container [2024-11-14 03:04:08,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:04:07" (2/3) ... [2024-11-14 03:04:08,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee3e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:04:08, skipping insertion in model container [2024-11-14 03:04:08,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:04:08" (3/3) ... [2024-11-14 03:04:08,263 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-14 03:04:08,276 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:04:08,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-2.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:04:08,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:04:08,353 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;@4b1c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:04:08,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:04:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 03:04:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-14 03:04:08,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:04:08,372 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:08,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:04:08,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:04:08,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1382411918, now seen corresponding path program 1 times [2024-11-14 03:04:08,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:04:08,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628267366] [2024-11-14 03:04:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:04:08,391 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 03:04:08,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:04:08,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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 03:04:08,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa5f211-2d2f-4bcd-a976-f359cc6554ca/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 03:04:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:04:08,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 03:04:08,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:10:33,220 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 351 DAG size of output: 308 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:13:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 30 proven. 44 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-14 03:13:03,980 INFO L311 TraceCheckSpWp]: Computing backward predicates...