./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.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_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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_455d5146-5666-403b-89d6-8d52fa0406a3/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 c25e21c50fc3f19586705dbabc58d5e825823fcb59fbd002ae657c0fa41f3444 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:47:03,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:47:03,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:47:03,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:47:03,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:47:03,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:47:03,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:47:03,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:47:03,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:47:03,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:47:03,190 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:47:03,191 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:47:03,191 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:47:03,191 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:47:03,191 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:47:03,191 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:47:03,192 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:47:03,192 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:47:03,192 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:47:03,192 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:47:03,192 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:47:03,193 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:47:03,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:47:03,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:47:03,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:47:03,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:47:03,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:47:03,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:47:03,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:47:03,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:47:03,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:47:03,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:47:03,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:47:03,196 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:47:03,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:47:03,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:47:03,196 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:47:03,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:47:03,196 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_455d5146-5666-403b-89d6-8d52fa0406a3/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 -> c25e21c50fc3f19586705dbabc58d5e825823fcb59fbd002ae657c0fa41f3444 [2024-11-14 05:47:03,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:47:03,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:47:03,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:47:03,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:47:03,594 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:47:03,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i Unable to find full path for "g++" [2024-11-14 05:47:06,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:47:06,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:47:06,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i [2024-11-14 05:47:06,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data/2b4c2f264/3941b320f5c04772bd63d0b8bf01e6ea/FLAGf17816a8f [2024-11-14 05:47:06,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data/2b4c2f264/3941b320f5c04772bd63d0b8bf01e6ea [2024-11-14 05:47:06,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:47:06,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:47:06,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:47:06,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:47:06,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:47:06,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bba6fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:06, skipping insertion in model container [2024-11-14 05:47:06,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:47:06" (1/1) ... [2024-11-14 05:47:06,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:47:06,754 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_455d5146-5666-403b-89d6-8d52fa0406a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i[915,928] [2024-11-14 05:47:06,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:47:06,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:47:06,911 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_455d5146-5666-403b-89d6-8d52fa0406a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i[915,928] [2024-11-14 05:47:06,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:47:07,013 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:47:07,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07 WrapperNode [2024-11-14 05:47:07,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:47:07,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:47:07,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:47:07,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:47:07,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,092 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-14 05:47:07,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:47:07,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:47:07,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:47:07,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:47:07,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:47:07,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:47:07,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:47:07,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:47:07,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (1/1) ... [2024-11-14 05:47:07,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:47:07,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:47:07,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:47:07,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:47:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:47:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:47:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:47:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:47:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:47:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:47:07,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:47:07,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:47:07,903 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 05:47:07,904 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:47:08,239 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:47:08,242 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:47:08,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:08 BoogieIcfgContainer [2024-11-14 05:47:08,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:47:08,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:47:08,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:47:08,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:47:08,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:47:06" (1/3) ... [2024-11-14 05:47:08,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d275a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:08, skipping insertion in model container [2024-11-14 05:47:08,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:07" (2/3) ... [2024-11-14 05:47:08,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d275a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:08, skipping insertion in model container [2024-11-14 05:47:08,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:08" (3/3) ... [2024-11-14 05:47:08,262 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-26.i [2024-11-14 05:47:08,282 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:47:08,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-26.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:47:08,370 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:47:08,387 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;@41dd44ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:47:08,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:47:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:47:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-14 05:47:08,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:08,407 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:47:08,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:08,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:08,415 INFO L85 PathProgramCache]: Analyzing trace with hash 443068845, now seen corresponding path program 1 times [2024-11-14 05:47:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288173705] [2024-11-14 05:47:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:08,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:47:09,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339703735] [2024-11-14 05:47:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:09,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:47:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:47:09,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:47:09,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:47:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:47:09,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:47:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:47:10,179 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:47:10,182 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:47:10,183 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:47:10,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:47:10,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:47:10,397 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:47:10,494 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:47:10,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:47:10 BoogieIcfgContainer [2024-11-14 05:47:10,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:47:10,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:47:10,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:47:10,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:47:10,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:08" (3/4) ... [2024-11-14 05:47:10,502 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:47:10,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:47:10,505 INFO L158 Benchmark]: Toolchain (without parser) took 4007.66ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 61.9MB in the end (delta: 38.3MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-14 05:47:10,505 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:10,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.05ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 86.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:47:10,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.33ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 82.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:10,506 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:10,507 INFO L158 Benchmark]: RCFGBuilder took 1113.65ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 42.7MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 05:47:10,507 INFO L158 Benchmark]: TraceAbstraction took 2250.42ms. Allocated memory is still 142.6MB. Free memory was 42.0MB in the beginning and 61.9MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:10,508 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:47:10,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.05ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 86.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.33ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 82.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1113.65ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 42.7MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2250.42ms. Allocated memory is still 142.6MB. Free memory was 42.0MB in the beginning and 61.9MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] signed long int var_1_4 = -64; [L24] signed char var_1_9 = 10; [L25] unsigned char var_1_10 = 0; [L26] signed char var_1_11 = -1; [L27] unsigned short int var_1_12 = 10000; [L28] float var_1_13 = 5.4; [L29] float var_1_14 = 1.4; [L30] unsigned short int var_1_18 = 32; [L31] double var_1_20 = 1.5; [L32] double var_1_21 = 2.75; [L33] unsigned char var_1_22 = 5; [L34] unsigned short int var_1_23 = 55712; [L35] unsigned char var_1_24 = 5; [L36] signed short int var_1_25 = 10; [L37] float var_1_26 = 64.2; [L38] unsigned long int last_1_var_1_1 = 16; [L39] signed char last_1_var_1_9 = 10; [L40] unsigned short int last_1_var_1_12 = 10000; [L41] double last_1_var_1_20 = 1.5; [L42] unsigned char last_1_var_1_22 = 5; [L43] signed short int last_1_var_1_25 = 10; [L137] isInitial = 1 [L138] FCALL initially() [L139] int k_loop; [L140] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=-64, var_1_9=10] [L140] COND TRUE k_loop < 1 [L141] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_20 = var_1_20 [L129] last_1_var_1_22 = var_1_22 [L130] last_1_var_1_25 = var_1_25 [L141] RET updateLastVariables() [L142] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L102] var_1_11 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L105] var_1_13 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L109] var_1_18 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L111] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L114] var_1_23 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L116] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L117] var_1_24 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L119] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L120] var_1_26 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_4=2, var_1_9=10] [L122] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_4=2, var_1_9=10] [L142] RET updateVariables() [L143] CALL step() [L47] COND TRUE ! var_1_10 [L48] COND FALSE !(((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) [L51] var_1_9 = var_1_11 [L56] unsigned char stepLocal_2 = var_1_10; [L57] signed long int stepLocal_1 = last_1_var_1_22; [L58] COND FALSE !(((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || stepLocal_2) [L65] unsigned long int stepLocal_5 = last_1_var_1_1; [L66] signed long int stepLocal_4 = var_1_4 + last_1_var_1_9; [L67] unsigned short int stepLocal_3 = var_1_18; [L68] COND FALSE !(stepLocal_5 > last_1_var_1_12) [L79] var_1_22 = var_1_24 [L81] COND TRUE var_1_11 > (var_1_22 * (var_1_12 + var_1_22)) [L82] var_1_20 = var_1_21 [L84] COND FALSE !((var_1_20 / var_1_26) > var_1_13) [L87] var_1_25 = var_1_11 [L89] signed long int stepLocal_0 = (var_1_25 + var_1_9) / var_1_4; [L90] COND TRUE stepLocal_0 == var_1_25 [L91] var_1_1 = (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22) [L143] RET step() [L144] CALL, EXPR property() [L133-L134] return ((((((((var_1_25 + var_1_9) / var_1_4) == var_1_25) ? (var_1_1 == ((unsigned long int) (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22))) : 1) && ((! var_1_10) ? ((((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) ? (var_1_9 == ((signed char) (-16 + var_1_11))) : (var_1_9 == ((signed char) var_1_11))) : (var_1_9 == ((signed char) var_1_11)))) && ((((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || var_1_10) ? ((last_1_var_1_22 >= last_1_var_1_12) ? (var_1_12 == ((unsigned short int) (((((last_1_var_1_22) < (last_1_var_1_22)) ? (last_1_var_1_22) : (last_1_var_1_22))) + 32))) : (var_1_12 == ((unsigned short int) last_1_var_1_22))) : 1)) && ((var_1_11 > (var_1_22 * (var_1_12 + var_1_22))) ? (var_1_20 == ((double) var_1_21)) : 1)) && ((last_1_var_1_1 > last_1_var_1_12) ? ((last_1_var_1_1 >= (var_1_4 + last_1_var_1_9)) ? ((var_1_18 == (var_1_23 - 8)) ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24)))) && (((var_1_20 / var_1_26) > var_1_13) ? (var_1_25 == ((signed short int) ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))))) : (var_1_25 == ((signed short int) var_1_11))) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=0, var_1_20=2, var_1_21=2, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_4=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=0, var_1_1=0, var_1_20=2, var_1_21=2, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_4=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 18, 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: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 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 05:47:10,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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_455d5146-5666-403b-89d6-8d52fa0406a3/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 c25e21c50fc3f19586705dbabc58d5e825823fcb59fbd002ae657c0fa41f3444 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:47:13,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:47:14,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:47:14,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:47:14,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:47:14,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:47:14,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:47:14,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:47:14,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:47:14,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:47:14,093 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:47:14,093 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:47:14,093 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:47:14,094 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:47:14,094 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:47:14,094 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:47:14,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:47:14,095 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:47:14,096 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:47:14,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:47:14,096 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:47:14,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:47:14,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:47:14,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:47:14,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:47:14,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:47:14,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:47:14,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:47:14,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:47:14,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:47:14,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:47:14,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:47:14,099 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:47:14,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:47:14,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:47:14,100 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:47:14,100 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_455d5146-5666-403b-89d6-8d52fa0406a3/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 -> c25e21c50fc3f19586705dbabc58d5e825823fcb59fbd002ae657c0fa41f3444 [2024-11-14 05:47:14,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:47:14,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:47:14,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:47:14,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:47:14,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:47:14,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i Unable to find full path for "g++" [2024-11-14 05:47:16,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:47:17,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:47:17,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i [2024-11-14 05:47:17,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data/81abb5baa/f8a9550991ab46cba7899048838b826b/FLAG3ee5e8d48 [2024-11-14 05:47:17,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/data/81abb5baa/f8a9550991ab46cba7899048838b826b [2024-11-14 05:47:17,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:47:17,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:47:17,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:47:17,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:47:17,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:47:17,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb1799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17, skipping insertion in model container [2024-11-14 05:47:17,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:47:17,396 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_455d5146-5666-403b-89d6-8d52fa0406a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i[915,928] [2024-11-14 05:47:17,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:47:17,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:47:17,556 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_455d5146-5666-403b-89d6-8d52fa0406a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-26.i[915,928] [2024-11-14 05:47:17,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:47:17,660 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:47:17,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17 WrapperNode [2024-11-14 05:47:17,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:47:17,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:47:17,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:47:17,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:47:17,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,742 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-14 05:47:17,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:47:17,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:47:17,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:47:17,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:47:17,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:47:17,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:47:17,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:47:17,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:47:17,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (1/1) ... [2024-11-14 05:47:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:47:17,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:47:17,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:47:17,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:47:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:47:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:47:17,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:47:18,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:47:25,822 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 05:47:25,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:47:25,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:47:25,836 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:47:25,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:25 BoogieIcfgContainer [2024-11-14 05:47:25,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:47:25,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:47:25,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:47:25,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:47:25,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:47:17" (1/3) ... [2024-11-14 05:47:25,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d20af92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:25, skipping insertion in model container [2024-11-14 05:47:25,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:47:17" (2/3) ... [2024-11-14 05:47:25,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d20af92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:25, skipping insertion in model container [2024-11-14 05:47:25,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:25" (3/3) ... [2024-11-14 05:47:25,851 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-26.i [2024-11-14 05:47:25,898 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:47:25,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-26.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:47:25,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:47:25,978 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;@7088f4e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:47:25,978 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:47:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:47:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 05:47:25,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:25,997 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:47:25,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:26,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1582715447, now seen corresponding path program 1 times [2024-11-14 05:47:26,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:26,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758823833] [2024-11-14 05:47:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:26,018 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 05:47:26,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:26,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:26,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:27,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:47:27,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 05:47:27,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:47:27,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:47:27,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758823833] [2024-11-14 05:47:27,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758823833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:27,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:27,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:47:27,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443586713] [2024-11-14 05:47:27,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:27,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:47:27,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:47:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:47:27,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:47:27,460 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:47:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:27,499 INFO L93 Difference]: Finished difference Result 117 states and 195 transitions. [2024-11-14 05:47:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:47:27,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2024-11-14 05:47:27,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:27,511 INFO L225 Difference]: With dead ends: 117 [2024-11-14 05:47:27,511 INFO L226 Difference]: Without dead ends: 56 [2024-11-14 05:47:27,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 05:47:27,520 INFO L432 NwaCegarLoop]: 87 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, 87 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 05:47:27,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:47:27,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-14 05:47:27,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-14 05:47:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:47:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-11-14 05:47:27,588 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 118 [2024-11-14 05:47:27,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:27,589 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-11-14 05:47:27,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:47:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-14 05:47:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 05:47:27,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:27,599 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:47:27,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:27,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:27,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:27,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash 732285371, now seen corresponding path program 1 times [2024-11-14 05:47:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:27,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531035722] [2024-11-14 05:47:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:27,802 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 05:47:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:27,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:27,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:29,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:47:29,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-14 05:47:31,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:47:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:47:32,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:47:32,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531035722] [2024-11-14 05:47:32,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531035722] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 05:47:32,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:47:32,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-14 05:47:32,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773757305] [2024-11-14 05:47:32,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:32,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:47:32,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:47:32,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:47:32,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:47:32,297 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:47:35,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:37,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:39,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:41,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:41,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:41,403 INFO L93 Difference]: Finished difference Result 136 states and 200 transitions. [2024-11-14 05:47:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:47:41,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-11-14 05:47:41,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:41,407 INFO L225 Difference]: With dead ends: 136 [2024-11-14 05:47:41,407 INFO L226 Difference]: Without dead ends: 83 [2024-11-14 05:47:41,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:47:41,409 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 35 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:41,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 258 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 9.0s Time] [2024-11-14 05:47:41,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-14 05:47:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-11-14 05:47:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 05:47:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2024-11-14 05:47:41,433 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 118 [2024-11-14 05:47:41,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:41,434 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2024-11-14 05:47:41,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:47:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2024-11-14 05:47:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 05:47:41,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:41,437 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:47:41,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:47:41,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:41,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:41,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:41,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1357164521, now seen corresponding path program 1 times [2024-11-14 05:47:41,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:41,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182421649] [2024-11-14 05:47:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:41,640 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 05:47:41,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:41,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/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 05:47:41,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d5146-5666-403b-89d6-8d52fa0406a3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:47:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:42,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 05:47:42,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:01,368 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse0 (bvsgt .cse3 (_ bv2 32))) (.cse5 (= (_ bv2 16) c_~var_1_25~0))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and (not .cse4) .cse5))))) (and (not .cse0) .cse5)))) (= (_ bv10000 16) c_~last_1_var_1_12~0) (not (= (_ bv0 8) c_~var_1_10~0)) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse6) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-14 05:50:03,451 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse0 (bvsgt .cse3 (_ bv2 32))) (.cse5 (= (_ bv2 16) c_~var_1_25~0))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and (not .cse4) .cse5))))) (and (not .cse0) .cse5)))) (= (_ bv10000 16) c_~last_1_var_1_12~0) (not (= (_ bv0 8) c_~var_1_10~0)) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse6) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-14 05:53:49,757 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse0 (bvsgt .cse3 (_ bv2 32))) (.cse5 (= (_ bv2 16) c_~var_1_25~0))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and (not .cse4) .cse5))))) (and (not .cse0) .cse5)))) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse8 ((_ zero_extend 16) c_~var_1_12~0)) (.cse7 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse6 (bvslt .cse8 .cse7))) (or (and .cse6 (= c_~var_1_1~0 (bvadd .cse7 .cse8))) (and (= c_~var_1_1~0 (bvmul .cse7 (_ bv2 32))) (not .cse6))))) (not (= (_ bv0 8) c_~var_1_10~0)) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-14 05:53:51,841 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse0 (bvsgt .cse3 (_ bv2 32))) (.cse5 (= (_ bv2 16) c_~var_1_25~0))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and (not .cse4) .cse5))))) (and (not .cse0) .cse5)))) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse8 ((_ zero_extend 16) c_~var_1_12~0)) (.cse7 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse6 (bvslt .cse8 .cse7))) (or (and .cse6 (= c_~var_1_1~0 (bvadd .cse7 .cse8))) (and (= c_~var_1_1~0 (bvmul .cse7 (_ bv2 32))) (not .cse6))))) (not (= (_ bv0 8) c_~var_1_10~0)) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true