./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:39:57,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:39:57,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:39:57,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:39:57,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:39:57,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:39:57,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:39:57,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:39:57,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:39:57,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:39:57,280 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:39:57,280 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:39:57,280 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:39:57,281 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:39:57,281 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:39:57,281 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:39:57,281 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:39:57,281 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:39:57,281 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:39:57,281 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:39:57,284 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:39:57,284 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:39:57,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:39:57,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:39:57,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:39:57,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:39:57,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:39:57,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:39:57,286 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:39:57,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:39:57,287 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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 -> 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae [2024-11-14 03:39:57,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:39:57,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:39:57,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:39:57,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:39:57,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:39:57,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i Unable to find full path for "g++" [2024-11-14 03:39:59,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:39:59,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:39:59,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2024-11-14 03:39:59,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data/64e43431e/7603a87e76574e6da735a8cac628563c/FLAGae3660d61 [2024-11-14 03:39:59,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data/64e43431e/7603a87e76574e6da735a8cac628563c [2024-11-14 03:39:59,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:39:59,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:39:59,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:39:59,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:39:59,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:39:59,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:39:59" (1/1) ... [2024-11-14 03:39:59,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37af8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:59, skipping insertion in model container [2024-11-14 03:39:59,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:39:59" (1/1) ... [2024-11-14 03:39:59,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:39:59,980 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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2024-11-14 03:40:00,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:00,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:40:00,076 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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2024-11-14 03:40:00,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:00,140 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:40:00,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00 WrapperNode [2024-11-14 03:40:00,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:00,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:00,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:40:00,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:40:00,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,203 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-14 03:40:00,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:00,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:40:00,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:40:00,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:40:00,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:40:00,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:40:00,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:40:00,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:40:00,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (1/1) ... [2024-11-14 03:40:00,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:00,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:40:00,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:40:00,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:40:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:40:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:40:00,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:40:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:40:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:40:00,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:40:00,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:40:00,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:40:00,696 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:40:00,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:40:00,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:40:00,813 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:40:00,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:00 BoogieIcfgContainer [2024-11-14 03:40:00,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:40:00,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:40:00,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:40:00,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:40:00,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:39:59" (1/3) ... [2024-11-14 03:40:00,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da1593e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:00, skipping insertion in model container [2024-11-14 03:40:00,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:00" (2/3) ... [2024-11-14 03:40:00,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da1593e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:00, skipping insertion in model container [2024-11-14 03:40:00,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:00" (3/3) ... [2024-11-14 03:40:00,824 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-75.i [2024-11-14 03:40:00,840 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:40:00,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-75.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:40:00,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:40:00,912 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;@64506d15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:40:00,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:40:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:40:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 03:40:00,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:00,929 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:00,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:40:00,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:00,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1776596100, now seen corresponding path program 1 times [2024-11-14 03:40:00,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:40:00,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984420555] [2024-11-14 03:40:00,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:00,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:40:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:40:01,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885660709] [2024-11-14 03:40:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:40:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:40:01,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:40:01,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:40:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:40:01,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:40:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:40:01,590 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:40:01,592 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:40:01,593 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:40:01,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:40:01,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:40:01,799 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:40:01,886 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:40:01,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:40:01 BoogieIcfgContainer [2024-11-14 03:40:01,892 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:40:01,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:40:01,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:40:01,895 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:40:01,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:00" (3/4) ... [2024-11-14 03:40:01,898 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:40:01,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:40:01,902 INFO L158 Benchmark]: Toolchain (without parser) took 2129.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 67.4MB in the end (delta: 25.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-14 03:40:01,902 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:01,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.22ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:40:01,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.56ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:40:01,903 INFO L158 Benchmark]: Boogie Preprocessor took 39.38ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:01,903 INFO L158 Benchmark]: RCFGBuilder took 570.13ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 51.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:40:01,904 INFO L158 Benchmark]: TraceAbstraction took 1076.14ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 68.0MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:01,904 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 67.4MB in the end (delta: 552.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:01,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.22ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.56ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.38ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 570.13ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 51.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1076.14ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 68.0MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 67.4MB in the end (delta: 552.0kB). 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 someBinaryDOUBLEComparisonOperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] signed long int var_1_10 = 5; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] signed long int var_1_18 = 2; [L33] signed long int var_1_19 = 16; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L106] RET updateLastVariables() [L107] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=5, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L72] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L73] var_1_13 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L75] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L78] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L79] var_1_15 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L81] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L82] var_1_16 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L84] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L85] var_1_17 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L87] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=16, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L88] var_1_19 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L90] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=127, var_1_8=-100] [L91] var_1_21 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=1, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=1, var_1_7=127, var_1_8=-100] [L93] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=1, var_1_7=127, var_1_8=-100] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=128, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=-1, var_1_1=32, var_1_20=-4, var_1_21=1, var_1_7=127, var_1_8=-100] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 [L42] COND FALSE !((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) [L45] COND TRUE var_1_18 <= var_1_10 [L46] var_1_8 = 256 [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; [L52] COND FALSE !(stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) [L55] var_1_1 = var_1_7 [L57] COND TRUE (var_1_1 == (var_1_13 - var_1_14)) && var_1_15 [L58] COND TRUE \read(var_1_15) [L59] var_1_12 = (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))) [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((signed long int) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=127, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=-1, var_1_19=-1, var_1_1=127, var_1_20=1, var_1_21=1, var_1_7=127, var_1_8=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=-1, var_1_12=127, var_1_13=127, var_1_14=0, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=-1, var_1_19=-1, var_1_1=127, var_1_20=1, var_1_21=1, var_1_7=127, var_1_8=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 19, 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=37occurred 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, 140 NumberOfCodeBlocks, 140 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 03:40:01,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:40:04,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:40:04,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:40:04,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:40:04,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:40:04,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:40:04,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:40:04,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:40:04,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:40:04,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:40:04,642 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:40:04,643 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:40:04,643 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:40:04,643 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:40:04,643 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:40:04,644 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:40:04,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:40:04,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:40:04,645 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:40:04,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:40:04,646 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:40:04,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:40:04,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:40:04,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:40:04,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:40:04,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:40:04,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:40:04,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:40:04,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:04,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:40:04,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:40:04,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:40:04,648 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:40:04,648 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:40:04,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:40:04,648 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:40:04,648 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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 -> 9f8ab662dd9273644bc21529efd901dee59500e9d872803325541e37cbf4bcae [2024-11-14 03:40:04,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:40:04,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:40:04,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:40:04,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:40:04,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:40:04,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i Unable to find full path for "g++" [2024-11-14 03:40:06,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:40:07,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:40:07,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i [2024-11-14 03:40:07,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data/462b8b261/8b92c30e9b84444e821d135d580260c9/FLAGc78abb9ae [2024-11-14 03:40:07,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/data/462b8b261/8b92c30e9b84444e821d135d580260c9 [2024-11-14 03:40:07,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:40:07,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:40:07,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:07,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:40:07,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:40:07,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7f8251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07, skipping insertion in model container [2024-11-14 03:40:07,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:40:07,329 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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2024-11-14 03:40:07,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:07,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:40:07,429 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_dffc1b62-55aa-4aa3-93d1-269a86068d2e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-75.i[916,929] [2024-11-14 03:40:07,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:07,470 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:40:07,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07 WrapperNode [2024-11-14 03:40:07,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:07,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:07,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:40:07,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:40:07,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,525 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-14 03:40:07,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:07,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:40:07,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:40:07,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:40:07,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:40:07,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:40:07,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:40:07,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:40:07,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (1/1) ... [2024-11-14 03:40:07,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:07,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:40:07,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:40:07,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:40:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:40:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:40:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:40:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:40:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:40:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:40:07,745 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:40:07,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:40:14,406 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:40:14,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:40:14,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:40:14,416 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:40:14,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:14 BoogieIcfgContainer [2024-11-14 03:40:14,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:40:14,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:40:14,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:40:14,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:40:14,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:40:07" (1/3) ... [2024-11-14 03:40:14,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcfeb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:14, skipping insertion in model container [2024-11-14 03:40:14,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:07" (2/3) ... [2024-11-14 03:40:14,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcfeb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:14, skipping insertion in model container [2024-11-14 03:40:14,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:14" (3/3) ... [2024-11-14 03:40:14,427 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-75.i [2024-11-14 03:40:14,442 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:40:14,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-75.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:40:14,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:40:14,511 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;@12a8802c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:40:14,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:40:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:40:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 03:40:14,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:14,544 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:14,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:40:14,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1546433710, now seen corresponding path program 1 times [2024-11-14 03:40:14,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:40:14,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172840440] [2024-11-14 03:40:14,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:14,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:40:14,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:40:14,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 03:40:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 03:40:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:15,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:40:15,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:40:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-14 03:40:15,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:40:15,584 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:40:15,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172840440] [2024-11-14 03:40:15,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172840440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:40:15,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:40:15,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:40:15,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827149481] [2024-11-14 03:40:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:40:15,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:40:15,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:40:15,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:40:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:40:15,620 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:40:15,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:40:15,644 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2024-11-14 03:40:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:40:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2024-11-14 03:40:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:40:15,651 INFO L225 Difference]: With dead ends: 99 [2024-11-14 03:40:15,651 INFO L226 Difference]: Without dead ends: 49 [2024-11-14 03:40:15,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 03:40:15,657 INFO L432 NwaCegarLoop]: 72 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, 72 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 03:40:15,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:40:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-14 03:40:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-14 03:40:15,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:40:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-14 03:40:15,714 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2024-11-14 03:40:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:40:15,715 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-14 03:40:15,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 03:40:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-14 03:40:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 03:40:15,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:40:15,722 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:15,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 03:40:15,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 03:40:15,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:40:15,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:40:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash -623227884, now seen corresponding path program 1 times [2024-11-14 03:40:15,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:40:15,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165047786] [2024-11-14 03:40:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:40:15,926 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 03:40:15,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:40:15,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 03:40:15,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dffc1b62-55aa-4aa3-93d1-269a86068d2e/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 03:40:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:40:16,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 03:40:16,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:40:47,589 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from false [2024-11-14 03:40:49,673 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from true [2024-11-14 03:41:44,982 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (= c_~var_1_7~0 c_~var_1_1~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from true [2024-11-14 03:42:30,457 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (= c_~var_1_7~0 c_~var_1_1~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (or (= (_ bv0 8) c_~var_1_15~0) (not (= ((_ zero_extend 24) c_~var_1_1~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_14~0)) ((_ zero_extend 24) c_~var_1_13~0))))) (= c_~var_1_12~0 c_~var_1_17~0) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from false [2024-11-14 03:42:32,541 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_19~0 c_~var_1_18~0) (= (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (bvadd (_ bv100 32) c_~var_1_8~0)) (= c_~var_1_21~0 c_~var_1_20~0) (= c_~var_1_7~0 c_~var_1_1~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (bvsdiv c_~var_1_18~0 c_~var_1_10~0)) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0)))) (or (= (_ bv0 8) c_~var_1_15~0) (not (= ((_ zero_extend 24) c_~var_1_1~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_14~0)) ((_ zero_extend 24) c_~var_1_13~0))))) (= c_~var_1_12~0 c_~var_1_17~0) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32))) is different from true