./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.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_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:45:00,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:45:01,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:45:01,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:45:01,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:45:01,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:45:01,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:45:01,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:45:01,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:45:01,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:45:01,051 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:45:01,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:45:01,051 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:45:01,051 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:45:01,051 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:45:01,052 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:45:01,052 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:45:01,052 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:45:01,052 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:45:01,053 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:45:01,053 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:45:01,053 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:45:01,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:45:01,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:45:01,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:45:01,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:45:01,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:45:01,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:45:01,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:45:01,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:45:01,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:45:01,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:45:01,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:01,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:45:01,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:45:01,058 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_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 -> 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a [2024-11-14 05:45:01,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:45:01,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:45:01,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:45:01,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:45:01,405 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:45:01,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i Unable to find full path for "g++" [2024-11-14 05:45:03,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:45:03,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:45:03,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-11-14 05:45:03,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data/666a701c1/a24d1bb82fff497da34c0b427e24ddbd/FLAG6cbeeea6d [2024-11-14 05:45:03,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data/666a701c1/a24d1bb82fff497da34c0b427e24ddbd [2024-11-14 05:45:03,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:45:03,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:45:03,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:03,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:45:03,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:45:03,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:03,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507efc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03, skipping insertion in model container [2024-11-14 05:45:03,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:03,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:45:03,823 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_8cdd8521-550c-46e7-82cc-09b67b3a1277/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-11-14 05:45:03,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:03,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:45:03,913 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_8cdd8521-550c-46e7-82cc-09b67b3a1277/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-11-14 05:45:03,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:03,957 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:45:03,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03 WrapperNode [2024-11-14 05:45:03,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:03,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:03,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:45:03,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:45:03,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:03,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,009 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-14 05:45:04,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:04,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:45:04,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:45:04,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:45:04,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:45:04,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:45:04,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:45:04,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:45:04,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (1/1) ... [2024-11-14 05:45:04,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:04,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:04,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:45:04,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:45:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:45:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:45:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:45:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:45:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:45:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:45:04,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:45:04,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:45:04,605 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 05:45:04,605 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:45:04,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:45:04,801 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:45:04,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:04 BoogieIcfgContainer [2024-11-14 05:45:04,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:45:04,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:45:04,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:45:04,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:45:04,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:45:03" (1/3) ... [2024-11-14 05:45:04,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b16f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:04, skipping insertion in model container [2024-11-14 05:45:04,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:03" (2/3) ... [2024-11-14 05:45:04,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b16f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:04, skipping insertion in model container [2024-11-14 05:45:04,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:04" (3/3) ... [2024-11-14 05:45:04,813 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2024-11-14 05:45:04,832 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:45:04,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-67.i that has 2 procedures, 27 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:45:04,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:45:04,912 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;@1f788f53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:45:04,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:45:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 05:45:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-14 05:45:04,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:04,928 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] [2024-11-14 05:45:04,928 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:04,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:04,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1261597305, now seen corresponding path program 1 times [2024-11-14 05:45:04,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:45:04,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86350852] [2024-11-14 05:45:04,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:04,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:45:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:45:05,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457306711] [2024-11-14 05:45:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:45:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:05,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:45:05,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:45:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:45:05,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:45:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:45:05,699 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:45:05,701 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:45:05,703 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:45:05,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:45:05,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:45:05,917 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:45:05,999 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:45:06,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:45:06 BoogieIcfgContainer [2024-11-14 05:45:06,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:45:06,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:45:06,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:45:06,011 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:45:06,012 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:04" (3/4) ... [2024-11-14 05:45:06,015 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:45:06,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:45:06,017 INFO L158 Benchmark]: Toolchain (without parser) took 2410.93ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 104.0MB in the end (delta: 13.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-14 05:45:06,017 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:06,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.90ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:06,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.50ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:06,020 INFO L158 Benchmark]: Boogie Preprocessor took 48.20ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:06,021 INFO L158 Benchmark]: RCFGBuilder took 742.20ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 70.8MB in the end (delta: 30.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:45:06,021 INFO L158 Benchmark]: TraceAbstraction took 1203.73ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 104.1MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:06,021 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 104.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:06,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.90ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.50ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.20ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 742.20ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 70.8MB in the end (delta: 30.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1203.73ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 104.1MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 104.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 44, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] unsigned short int var_1_7 = 256; [L27] signed long int var_1_8 = 50; [L28] unsigned char var_1_9 = 0; [L29] signed long int var_1_10 = -4; [L30] float var_1_11 = 15.125; [L31] float var_1_12 = 0.9; [L32] double var_1_13 = 25.875; [L33] unsigned short int var_1_14 = 50; [L34] signed short int last_1_var_1_1 = 2; [L35] unsigned short int last_1_var_1_6 = 128; [L36] signed long int last_1_var_1_8 = 50; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L89] last_1_var_1_1 = var_1_1 [L90] last_1_var_1_6 = var_1_6 [L91] last_1_var_1_8 = var_1_8 [L101] RET updateLastVariables() [L102] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L72] var_1_5 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L75] var_1_7 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_8=50, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=0] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] 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=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) [L86] 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=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=16383, var_1_5=16383, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L40] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L41] var_1_1 = (var_1_4 + var_1_5) [L43] signed long int stepLocal_0 = 1 * var_1_4; [L44] EXPR var_1_1 >> var_1_5 [L44] COND TRUE (var_1_1 >> var_1_5) > stepLocal_0 [L45] var_1_6 = (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))) [L49] var_1_11 = var_1_12 [L50] var_1_13 = var_1_12 [L51] var_1_14 = var_1_7 [L52] signed long int stepLocal_2 = var_1_4 / var_1_10; [L53] unsigned short int stepLocal_1 = var_1_7; [L54] COND TRUE \read(var_1_9) [L55] var_1_8 = ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))) [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) [L94] EXPR var_1_1 >> var_1_5 [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) [L94-L95] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7)))) && (var_1_9 ? (var_1_8 == ((signed long int) ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))))) : ((var_1_14 > (var_1_4 / var_1_10)) ? ((var_1_7 > var_1_6) ? (var_1_8 == ((signed long int) ((((var_1_4) < (100)) ? (var_1_4) : (100))))) : (var_1_8 == ((signed long int) (last_1_var_1_8 - var_1_7)))) : (var_1_8 == ((signed long int) (var_1_6 + var_1_5)))))) && (var_1_11 == ((float) var_1_12))) && (var_1_13 == ((double) var_1_12))) && (var_1_14 == ((unsigned short int) var_1_7)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=32766, var_1_4=16383, var_1_5=16383, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16382, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=32766, var_1_4=16383, var_1_5=16383, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 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=27occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 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 05:45:06,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:45:08,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:45:08,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:45:08,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:45:08,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:45:08,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:45:08,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:45:08,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:45:08,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:45:08,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:45:08,956 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:45:08,956 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:45:08,956 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:45:08,957 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:45:08,957 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:45:08,957 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:45:08,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:45:08,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:45:08,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:45:08,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:45:08,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:45:08,959 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:45:08,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:45:08,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:45:08,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:45:08,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:45:08,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:45:08,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:45:08,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:45:08,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:08,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:45:08,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:45:08,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:45:08,961 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:45:08,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:45:08,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:45:08,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:45:08,961 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_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 -> 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a [2024-11-14 05:45:09,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:45:09,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:45:09,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:45:09,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:45:09,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:45:09,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i Unable to find full path for "g++" [2024-11-14 05:45:11,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:45:11,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:45:11,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-11-14 05:45:11,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data/93dc7ef24/89b8f69d1edc4a24ae73397d84743445/FLAG9f2f58f4b [2024-11-14 05:45:11,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/data/93dc7ef24/89b8f69d1edc4a24ae73397d84743445 [2024-11-14 05:45:11,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:45:11,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:45:11,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:11,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:45:11,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:45:11,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3dc649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11, skipping insertion in model container [2024-11-14 05:45:11,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:45:11,746 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_8cdd8521-550c-46e7-82cc-09b67b3a1277/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-11-14 05:45:11,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:11,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:45:11,849 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_8cdd8521-550c-46e7-82cc-09b67b3a1277/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-11-14 05:45:11,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:11,912 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:45:11,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11 WrapperNode [2024-11-14 05:45:11,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:11,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:11,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:45:11,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:45:11,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,965 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-14 05:45:11,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:11,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:45:11,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:45:11,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:45:11,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:11,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:12,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:45:12,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:45:12,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:45:12,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:45:12,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (1/1) ... [2024-11-14 05:45:12,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:12,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:45:12,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:45:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:45:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:45:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:45:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:45:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:45:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:45:12,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:45:12,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:45:12,673 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 05:45:12,673 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:45:12,682 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:45:12,683 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:45:12,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:12 BoogieIcfgContainer [2024-11-14 05:45:12,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:45:12,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:45:12,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:45:12,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:45:12,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:45:11" (1/3) ... [2024-11-14 05:45:12,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140cdae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:12, skipping insertion in model container [2024-11-14 05:45:12,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:11" (2/3) ... [2024-11-14 05:45:12,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140cdae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:12, skipping insertion in model container [2024-11-14 05:45:12,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:12" (3/3) ... [2024-11-14 05:45:12,695 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2024-11-14 05:45:12,714 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:45:12,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-67.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:45:12,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:45:12,814 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;@38a97f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:45:12,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:45:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 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 05:45:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 05:45:12,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:12,832 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, 1] [2024-11-14 05:45:12,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:12,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:12,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1380961980, now seen corresponding path program 1 times [2024-11-14 05:45:12,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:45:12,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070703246] [2024-11-14 05:45:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:12,856 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 05:45:12,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:45:12,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 05:45:12,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 05:45:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:13,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:45:13,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:45:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-14 05:45:13,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:45:13,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:45:13,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070703246] [2024-11-14 05:45:13,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070703246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:45:13,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:45:13,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:45:13,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642607817] [2024-11-14 05:45:13,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:45:13,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:45:13,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:45:13,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:45:13,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:45:13,235 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 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) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 05:45:13,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:45:13,259 INFO L93 Difference]: Finished difference Result 81 states and 132 transitions. [2024-11-14 05:45:13,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:45:13,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2024-11-14 05:45:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:45:13,266 INFO L225 Difference]: With dead ends: 81 [2024-11-14 05:45:13,266 INFO L226 Difference]: Without dead ends: 40 [2024-11-14 05:45:13,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 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 05:45:13,272 INFO L432 NwaCegarLoop]: 56 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, 56 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 05:45:13,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:45:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-14 05:45:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-14 05:45:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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 05:45:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2024-11-14 05:45:13,307 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 80 [2024-11-14 05:45:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:45:13,308 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2024-11-14 05:45:13,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 05:45:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2024-11-14 05:45:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 05:45:13,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:13,311 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, 1] [2024-11-14 05:45:13,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 05:45:13,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 05:45:13,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:13,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:13,513 INFO L85 PathProgramCache]: Analyzing trace with hash -975636992, now seen corresponding path program 1 times [2024-11-14 05:45:13,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:45:13,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074403979] [2024-11-14 05:45:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:13,514 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 05:45:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:45:13,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 05:45:13,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cdd8521-550c-46e7-82cc-09b67b3a1277/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 05:45:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:13,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 05:45:13,774 INFO L278 TraceCheckSpWp]: Computing forward predicates...