./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.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_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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_b21acdce-6753-415b-822d-ccbf0ebe9716/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 dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:15:06,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:15:06,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:15:06,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:15:06,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:15:06,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:15:06,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:15:06,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:15:06,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:15:06,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:15:06,215 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:15:06,215 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:15:06,215 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:15:06,215 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:15:06,217 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:15:06,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:15:06,218 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:15:06,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:15:06,218 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:15:06,218 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:15:06,218 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:15:06,218 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:15:06,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:15:06,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:15:06,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:15:06,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:15:06,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:15:06,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:15:06,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:15:06,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:15:06,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:15:06,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:15:06,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:06,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:15:06,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:15:06,224 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_b21acdce-6753-415b-822d-ccbf0ebe9716/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 -> dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 [2024-11-14 04:15:06,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:15:06,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:15:06,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:15:06,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:15:06,640 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:15:06,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i Unable to find full path for "g++" [2024-11-14 04:15:09,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:15:09,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:15:09,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2024-11-14 04:15:09,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data/e6d98a500/d59998da18ce4a09b0b718846be722fd/FLAGbfc55bf02 [2024-11-14 04:15:09,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data/e6d98a500/d59998da18ce4a09b0b718846be722fd [2024-11-14 04:15:09,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:15:09,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:15:09,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:09,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:15:09,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:15:09,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:09" (1/1) ... [2024-11-14 04:15:09,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c549ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:09, skipping insertion in model container [2024-11-14 04:15:09,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:09" (1/1) ... [2024-11-14 04:15:09,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:15:09,953 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_b21acdce-6753-415b-822d-ccbf0ebe9716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-11-14 04:15:10,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:10,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:15:10,132 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_b21acdce-6753-415b-822d-ccbf0ebe9716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-11-14 04:15:10,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:10,223 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:15:10,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10 WrapperNode [2024-11-14 04:15:10,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:10,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:10,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:15:10,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:15:10,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,353 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2024-11-14 04:15:10,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:10,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:15:10,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:15:10,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:15:10,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:15:10,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:15:10,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:15:10,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:15:10,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (1/1) ... [2024-11-14 04:15:10,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:10,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:10,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:15:10,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:15:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:15:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:15:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:15:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:15:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:15:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:15:10,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:15:10,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:15:11,475 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-14 04:15:11,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:15:11,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:15:11,910 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:15:11,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:11 BoogieIcfgContainer [2024-11-14 04:15:11,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:15:11,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:15:11,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:15:11,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:15:11,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:15:09" (1/3) ... [2024-11-14 04:15:11,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873de39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:11, skipping insertion in model container [2024-11-14 04:15:11,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:10" (2/3) ... [2024-11-14 04:15:11,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873de39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:11, skipping insertion in model container [2024-11-14 04:15:11,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:11" (3/3) ... [2024-11-14 04:15:11,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-39.i [2024-11-14 04:15:11,954 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:15:11,956 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-39.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:15:12,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:15:12,048 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;@7921a615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:15:12,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:15:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:15:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-14 04:15:12,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:12,066 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:12,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:12,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1867958008, now seen corresponding path program 1 times [2024-11-14 04:15:12,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:15:12,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881517134] [2024-11-14 04:15:12,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:12,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:15:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:15:13,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607861291] [2024-11-14 04:15:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:13,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:13,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:13,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:15:13,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:15:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:15:13,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:15:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:15:14,613 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:15:14,616 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:15:14,618 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:15:14,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:15:14,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:14,827 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:15:14,984 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:15:14,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:15:14 BoogieIcfgContainer [2024-11-14 04:15:14,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:15:14,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:15:14,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:15:14,989 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:15:14,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:11" (3/4) ... [2024-11-14 04:15:14,996 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:15:14,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:15:14,999 INFO L158 Benchmark]: Toolchain (without parser) took 5335.13ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 48.6MB in the end (delta: 70.3MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-11-14 04:15:14,999 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:15,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.28ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 102.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:15:15,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.69ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 97.1MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:15,005 INFO L158 Benchmark]: Boogie Preprocessor took 86.17ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:15:15,005 INFO L158 Benchmark]: RCFGBuilder took 1465.76ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 86.1MB in the end (delta: 8.8MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-11-14 04:15:15,006 INFO L158 Benchmark]: TraceAbstraction took 3072.96ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 48.6MB in the end (delta: 37.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-14 04:15:15,006 INFO L158 Benchmark]: Witness Printer took 8.96ms. Allocated memory is still 142.6MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:15:15,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.28ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 102.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.69ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 97.1MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.17ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1465.76ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 86.1MB in the end (delta: 8.8MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3072.96ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 48.6MB in the end (delta: 37.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 8.96ms. Allocated memory is still 142.6MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 164, overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryFLOATComparisonOperation at line 158, overapproximation of someBinaryFLOATComparisonOperation at line 160, overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryFLOATComparisonOperation at line 162, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned short int var_1_4 = 8; [L24] unsigned short int var_1_5 = 5; [L25] unsigned long int var_1_6 = 256; [L26] float var_1_7 = 9999999999999.2; [L27] float var_1_8 = 499.5; [L28] float var_1_9 = 64.4; [L29] float var_1_10 = 0.5; [L30] float var_1_11 = 5.8; [L31] float var_1_12 = 16.75; [L32] float var_1_13 = 99.5; [L33] signed short int var_1_15 = -10; [L34] unsigned char var_1_17 = 0; [L35] unsigned long int var_1_19 = 2743323310; [L36] unsigned long int var_1_20 = 4162860161; [L37] unsigned char var_1_21 = 0; [L38] double var_1_22 = 99.7; [L39] unsigned long int var_1_23 = 8; [L40] unsigned char var_1_24 = 1; [L41] unsigned char var_1_25 = 128; [L42] unsigned char var_1_26 = 128; [L43] unsigned char var_1_27 = 32; [L44] unsigned char var_1_28 = 200; [L45] float var_1_29 = 16.1; [L46] float var_1_30 = 7.9; [L47] unsigned char var_1_31 = 0; [L48] unsigned char var_1_32 = 1; [L49] unsigned char var_1_33 = 8; [L50] signed short int last_1_var_1_15 = -10; [L51] double last_1_var_1_22 = 99.7; [L52] unsigned long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 1; [L54] unsigned char last_1_var_1_27 = 32; [L55] unsigned char last_1_var_1_31 = 0; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L188] last_1_var_1_15 = var_1_15 [L189] last_1_var_1_22 = var_1_22 [L190] last_1_var_1_23 = var_1_23 [L191] last_1_var_1_24 = var_1_24 [L192] last_1_var_1_27 = var_1_27 [L193] last_1_var_1_31 = var_1_31 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L147] var_1_4 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_4 >= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 >= 8) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L149] CALL assume_abort_if_not(var_1_4 <= 17) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 <= 17) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L150] var_1_5 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L152] CALL assume_abort_if_not(var_1_5 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_5 <= 8) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L153] var_1_8 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L155] var_1_9 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L157] var_1_10 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L159] var_1_11 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L161] var_1_12 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L163] var_1_13 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L165] var_1_19 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L167] CALL assume_abort_if_not(var_1_19 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L168] var_1_20 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L170] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L171] var_1_21 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L173] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L174] var_1_25 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_25 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_25 >= 127) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L176] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L177] var_1_26 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_26 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_26 >= 127) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L179] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L180] var_1_28 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_28 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_28 >= 190) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L182] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L183] var_1_32 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L185] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2147483647, var_1_1=200, var_1_20=-2147483649, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=32, var_1_28=-131330, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=256, var_1_7=49999999999996/5] [L204] RET updateVariables() [L205] CALL step() [L59] COND TRUE (var_1_4 >= last_1_var_1_24) && (last_1_var_1_27 >= ((((var_1_5) < (last_1_var_1_24)) ? (var_1_5) : (last_1_var_1_24)))) [L60] var_1_6 = 200u [L62] COND FALSE !(\read(last_1_var_1_31)) [L73] var_1_17 = var_1_21 [L75] COND FALSE !(\read(var_1_17)) [L78] var_1_31 = (! 1) [L80] EXPR (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5) [L80] unsigned long int stepLocal_0 = (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5); [L81] COND TRUE stepLocal_0 <= -128 [L82] var_1_1 = (var_1_5 + var_1_4) [L86] unsigned char stepLocal_4 = var_1_17; [L87] COND TRUE stepLocal_4 || (last_1_var_1_22 <= var_1_12) [L88] var_1_22 = ((((200.3) < (var_1_9)) ? (200.3) : (var_1_9))) [L92] signed long int stepLocal_6 = (((var_1_25) > (256)) ? (var_1_25) : (256)); [L93] COND TRUE var_1_5 <= stepLocal_6 [L94] var_1_27 = ((var_1_28 - var_1_4) - var_1_5) [L98] var_1_29 = (var_1_12 + ((((9.999999999999995E14f) > (var_1_13)) ? (9.999999999999995E14f) : (var_1_13)))) [L99] COND TRUE var_1_19 != 25u [L100] COND TRUE ! var_1_21 [L101] var_1_30 = var_1_8 [L106] COND FALSE !(\read(var_1_31)) [L111] signed long int stepLocal_5 = var_1_33 % var_1_4; [L112] COND FALSE !(stepLocal_5 > var_1_5) [L115] unsigned long int stepLocal_3 = var_1_6; [L116] signed long int stepLocal_2 = 128; [L117] COND FALSE !(var_1_1 > stepLocal_3) [L120] COND TRUE var_1_33 != stepLocal_2 [L121] var_1_15 = (var_1_5 - 1) [L126] COND FALSE !(((((var_1_1) < ((var_1_4 - var_1_5))) ? (var_1_1) : ((var_1_4 - var_1_5)))) > var_1_27) [L137] signed long int stepLocal_1 = var_1_33 + var_1_5; [L138] COND TRUE stepLocal_1 > var_1_24 [L139] var_1_7 = (((((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) > (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13)))))) ? ((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) : (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13))))))) [L205] RET step() [L206] CALL, EXPR property() [L196] EXPR (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5) [L196-L197] return (((((((((((((((last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5)) <= -128) ? (var_1_1 == ((unsigned char) (var_1_5 + var_1_4))) : (var_1_1 == ((unsigned char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && (((var_1_4 >= last_1_var_1_24) && (last_1_var_1_27 >= ((((var_1_5) < (last_1_var_1_24)) ? (var_1_5) : (last_1_var_1_24))))) ? (var_1_6 == ((unsigned long int) 200u)) : 1)) && (((var_1_33 + var_1_5) > var_1_24) ? (var_1_7 == ((float) (((((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) > (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13)))))) ? ((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) : (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13))))))))) : ((! var_1_31) ? (var_1_7 == ((float) ((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13))))) : 1))) && ((var_1_1 > var_1_6) ? (var_1_15 == ((signed short int) last_1_var_1_15)) : ((var_1_33 != 128) ? (var_1_15 == ((signed short int) (var_1_5 - 1))) : (var_1_15 == ((signed short int) var_1_27))))) && (last_1_var_1_31 ? (last_1_var_1_31 ? (((((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))) - ((((10u) > (var_1_5)) ? (10u) : (var_1_5)))) != var_1_4) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0))) : (var_1_17 == ((unsigned char) var_1_21))) : (var_1_17 == ((unsigned char) var_1_21)))) && ((var_1_17 || (last_1_var_1_22 <= var_1_12)) ? (var_1_22 == ((double) ((((200.3) < (var_1_9)) ? (200.3) : (var_1_9))))) : (var_1_22 == ((double) (var_1_8 - var_1_9))))) && ((((((var_1_1) < ((var_1_4 - var_1_5))) ? (var_1_1) : ((var_1_4 - var_1_5)))) > var_1_27) ? (((5 * var_1_27) <= var_1_24) ? ((var_1_5 >= var_1_1) ? (var_1_23 == ((unsigned long int) var_1_24)) : (var_1_23 == ((unsigned long int) var_1_5))) : (var_1_23 == ((unsigned long int) var_1_4))) : 1)) && (((var_1_33 % var_1_4) > var_1_5) ? (var_1_24 == ((unsigned char) (((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26))) - var_1_4))) : 1)) && ((var_1_5 <= ((((var_1_25) > (256)) ? (var_1_25) : (256)))) ? (var_1_27 == ((unsigned char) ((var_1_28 - var_1_4) - var_1_5))) : (var_1_27 == ((unsigned char) (((((var_1_25) > (var_1_28)) ? (var_1_25) : (var_1_28))) - var_1_5))))) && (var_1_29 == ((float) (var_1_12 + ((((9.999999999999995E14f) > (var_1_13)) ? (9.999999999999995E14f) : (var_1_13))))))) && ((var_1_19 != 25u) ? ((! var_1_21) ? (var_1_30 == ((float) var_1_8)) : 1) : (var_1_30 == ((float) (var_1_10 - var_1_9))))) && (var_1_17 ? (var_1_31 == ((unsigned char) (! var_1_32))) : (var_1_31 == ((unsigned char) (! 1))))) && (var_1_31 ? (((var_1_6 / var_1_25) <= var_1_4) ? (var_1_33 == ((unsigned char) var_1_5)) : 1) : 1) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=0, var_1_13=0, var_1_15=0, var_1_17=0, var_1_19=2147483647, var_1_1=9, var_1_20=-2147483649, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=245, var_1_28=-131330, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=200, var_1_7=3, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=0, var_1_13=0, var_1_15=0, var_1_17=0, var_1_19=2147483647, var_1_1=9, var_1_20=-2147483649, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=1, var_1_25=383, var_1_26=128, var_1_27=245, var_1_28=-131330, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=-65528, var_1_5=-65535, var_1_6=200, var_1_7=3, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 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 04:15:15,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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_b21acdce-6753-415b-822d-ccbf0ebe9716/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 dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:15:18,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:15:18,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:15:18,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:15:18,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:15:18,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:15:18,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:15:18,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:15:18,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:15:18,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:15:18,601 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:15:18,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:15:18,601 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:15:18,601 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:15:18,601 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:15:18,601 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:15:18,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:15:18,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:15:18,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:15:18,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:15:18,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:15:18,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:15:18,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:15:18,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:15:18,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:15:18,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:15:18,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:15:18,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:15:18,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:18,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:15:18,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:15:18,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:15:18,605 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:15:18,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:18,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:15:18,605 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:15:18,605 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_b21acdce-6753-415b-822d-ccbf0ebe9716/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 -> dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 [2024-11-14 04:15:19,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:15:19,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:15:19,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:15:19,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:15:19,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:15:19,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i Unable to find full path for "g++" [2024-11-14 04:15:21,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:15:21,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:15:21,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2024-11-14 04:15:21,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data/8706e59ef/ac580cb092b145d1a19b49107c662cda/FLAGd3cf4def8 [2024-11-14 04:15:21,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/data/8706e59ef/ac580cb092b145d1a19b49107c662cda [2024-11-14 04:15:21,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:15:21,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:15:21,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:21,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:15:21,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:15:21,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:21" (1/1) ... [2024-11-14 04:15:21,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20dede4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:21, skipping insertion in model container [2024-11-14 04:15:21,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:15:21" (1/1) ... [2024-11-14 04:15:21,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:15:22,148 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_b21acdce-6753-415b-822d-ccbf0ebe9716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-11-14 04:15:22,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:22,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:15:22,373 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_b21acdce-6753-415b-822d-ccbf0ebe9716/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2024-11-14 04:15:22,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:15:22,480 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:15:22,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22 WrapperNode [2024-11-14 04:15:22,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:15:22,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:22,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:15:22,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:15:22,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,568 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2024-11-14 04:15:22,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:15:22,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:15:22,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:15:22,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:15:22,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:15:22,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:15:22,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:15:22,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:15:22,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (1/1) ... [2024-11-14 04:15:22,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:15:22,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:22,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:15:22,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:15:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:15:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:15:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:15:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:15:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:15:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:15:22,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:15:22,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:15:26,688 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-14 04:15:26,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:15:26,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:15:26,703 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:15:26,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:26 BoogieIcfgContainer [2024-11-14 04:15:26,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:15:26,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:15:26,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:15:26,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:15:26,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:15:21" (1/3) ... [2024-11-14 04:15:26,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af4284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:26, skipping insertion in model container [2024-11-14 04:15:26,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:15:22" (2/3) ... [2024-11-14 04:15:26,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af4284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:15:26, skipping insertion in model container [2024-11-14 04:15:26,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:15:26" (3/3) ... [2024-11-14 04:15:26,717 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-39.i [2024-11-14 04:15:26,737 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:15:26,739 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-39.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:15:26,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:15:26,827 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;@76146a64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:15:26,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:15:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:15:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-14 04:15:26,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:26,850 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:26,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:26,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:26,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2027298872, now seen corresponding path program 1 times [2024-11-14 04:15:26,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:26,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742695491] [2024-11-14 04:15:26,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:26,877 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 04:15:26,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:26,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:26,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:27,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:15:27,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 566 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-14 04:15:27,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:15:27,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:27,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742695491] [2024-11-14 04:15:27,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742695491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:27,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:15:27,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:15:27,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707928030] [2024-11-14 04:15:27,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:27,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:15:27,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:27,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:15:27,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:15:27,786 INFO L87 Difference]: Start difference. First operand has 85 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 04:15:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:27,822 INFO L93 Difference]: Finished difference Result 163 states and 280 transitions. [2024-11-14 04:15:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:15:27,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 163 [2024-11-14 04:15:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:27,832 INFO L225 Difference]: With dead ends: 163 [2024-11-14 04:15:27,832 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 04:15:27,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 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 04:15:27,840 INFO L432 NwaCegarLoop]: 124 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, 124 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 04:15:27,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:15:27,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 04:15:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-14 04:15:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:15:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 124 transitions. [2024-11-14 04:15:27,896 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 124 transitions. Word has length 163 [2024-11-14 04:15:27,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:27,896 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 124 transitions. [2024-11-14 04:15:27,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 04:15:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2024-11-14 04:15:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-14 04:15:27,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:27,902 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:27,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:28,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:28,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:28,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 523332204, now seen corresponding path program 1 times [2024-11-14 04:15:28,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:28,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735027348] [2024-11-14 04:15:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:28,106 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 04:15:28,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:28,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:28,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:28,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:15:28,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-14 04:15:29,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 04:15:30,343 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:30,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735027348] [2024-11-14 04:15:30,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735027348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:15:30,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [196815716] [2024-11-14 04:15:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:30,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:30,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:15:30,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:15:30,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:15:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:31,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:15:31,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-14 04:15:31,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:15:31,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [196815716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:31,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:15:31,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 10 [2024-11-14 04:15:31,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348515829] [2024-11-14 04:15:31,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:31,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:15:31,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:31,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:15:31,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:15:31,472 INFO L87 Difference]: Start difference. First operand 81 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 04:15:34,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:36,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:38,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:40,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:40,820 INFO L93 Difference]: Finished difference Result 236 states and 364 transitions. [2024-11-14 04:15:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:15:40,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 163 [2024-11-14 04:15:40,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:40,824 INFO L225 Difference]: With dead ends: 236 [2024-11-14 04:15:40,825 INFO L226 Difference]: Without dead ends: 158 [2024-11-14 04:15:40,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 477 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:15:40,827 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 112 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:40,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 507 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 4 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 04:15:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-14 04:15:40,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 85. [2024-11-14 04:15:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 59 states have internal predecessors, (81), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:15:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 129 transitions. [2024-11-14 04:15:40,849 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 129 transitions. Word has length 163 [2024-11-14 04:15:40,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:40,852 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 129 transitions. [2024-11-14 04:15:40,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 04:15:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2024-11-14 04:15:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-14 04:15:40,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:40,860 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:40,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:15:41,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:15:41,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:41,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:41,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2111680106, now seen corresponding path program 1 times [2024-11-14 04:15:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:41,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492688038] [2024-11-14 04:15:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:41,265 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 04:15:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:41,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:41,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (5)] Waiting until timeout for monitored process [2024-11-14 04:15:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:41,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:15:41,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-14 04:15:42,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 04:15:43,380 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:43,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492688038] [2024-11-14 04:15:43,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492688038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:15:43,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [130973790] [2024-11-14 04:15:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:43,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:43,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:15:43,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:15:43,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 04:15:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:45,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:15:45,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-14 04:15:46,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 04:15:47,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [130973790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:15:47,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497775167] [2024-11-14 04:15:47,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:47,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:15:47,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:15:47,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:15:47,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:15:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:47,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:15:47,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:15:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-14 04:15:48,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:15:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 04:15:49,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497775167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:15:49,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:15:49,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 5, 5] total 12 [2024-11-14 04:15:49,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522796336] [2024-11-14 04:15:49,074 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:15:49,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:15:49,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:49,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:15:49,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:15:49,078 INFO L87 Difference]: Start difference. First operand 85 states and 129 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2024-11-14 04:15:52,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:54,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:56,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:56,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:56,258 INFO L93 Difference]: Finished difference Result 175 states and 260 transitions. [2024-11-14 04:15:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 04:15:56,292 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 163 [2024-11-14 04:15:56,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:56,295 INFO L225 Difference]: With dead ends: 175 [2024-11-14 04:15:56,295 INFO L226 Difference]: Without dead ends: 93 [2024-11-14 04:15:56,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 984 GetRequests, 962 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-11-14 04:15:56,297 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 364 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 188 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:56,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 209 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 152 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2024-11-14 04:15:56,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-14 04:15:56,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2024-11-14 04:15:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.278688524590164) internal successors, (78), 61 states have internal predecessors, (78), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 04:15:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-11-14 04:15:56,331 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 163 [2024-11-14 04:15:56,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:56,334 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-11-14 04:15:56,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2024-11-14 04:15:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-11-14 04:15:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:15:56,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:56,338 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:56,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:15:56,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:15:56,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:15:56,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:15:56,939 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:56,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:56,940 INFO L85 PathProgramCache]: Analyzing trace with hash -34013418, now seen corresponding path program 1 times [2024-11-14 04:15:56,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:56,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697479039] [2024-11-14 04:15:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:56,940 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 04:15:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:56,943 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:15:56,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (8)] Waiting until timeout for monitored process [2024-11-14 04:15:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:57,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:15:57,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-11-14 04:16:00,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:16:02,036 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:16:02,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697479039] [2024-11-14 04:16:02,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697479039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:16:02,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [240962328] [2024-11-14 04:16:02,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:16:02,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:16:02,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:16:02,039 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:16:02,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 04:16:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:16:04,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:16:04,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-11-14 04:16:07,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:16:08,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [240962328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:16:08,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737738417] [2024-11-14 04:16:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:16:08,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:16:08,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:16:08,785 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:16:08,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 04:16:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:16:09,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:16:09,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2024-11-14 04:16:11,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:16:12,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737738417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:16:12,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:16:12,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 11] total 13 [2024-11-14 04:16:12,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602058172] [2024-11-14 04:16:12,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:16:12,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:16:12,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:16:12,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:16:12,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:16:12,133 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-14 04:16:18,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:20,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:16:22,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:16:24,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:26,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:27,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:32,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:16:32,977 INFO L93 Difference]: Finished difference Result 330 states and 453 transitions. [2024-11-14 04:16:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-14 04:16:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 164 [2024-11-14 04:16:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:16:32,982 INFO L225 Difference]: With dead ends: 330 [2024-11-14 04:16:32,982 INFO L226 Difference]: Without dead ends: 244 [2024-11-14 04:16:32,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=361, Invalid=1361, Unknown=0, NotChecked=0, Total=1722 [2024-11-14 04:16:32,985 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 325 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 99 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:16:32,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 783 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1082 Invalid, 5 Unknown, 0 Unchecked, 18.8s Time] [2024-11-14 04:16:32,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-14 04:16:33,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 193. [2024-11-14 04:16:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-14 04:16:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 264 transitions. [2024-11-14 04:16:33,031 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 264 transitions. Word has length 164 [2024-11-14 04:16:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:16:33,032 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 264 transitions. [2024-11-14 04:16:33,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-14 04:16:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 264 transitions. [2024-11-14 04:16:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:16:33,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:16:33,036 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:33,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (8)] Forceful destruction successful, exit code 0 [2024-11-14 04:16:33,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 04:16:33,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 04:16:33,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:16:33,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:16:33,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:16:33,638 INFO L85 PathProgramCache]: Analyzing trace with hash -168026924, now seen corresponding path program 1 times [2024-11-14 04:16:33,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:16:33,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243906293] [2024-11-14 04:16:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:16:33,640 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 04:16:33,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:16:33,642 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:16:33,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (11)] Waiting until timeout for monitored process [2024-11-14 04:16:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:16:34,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:16:34,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-14 04:16:35,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:16:35,321 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:16:35,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243906293] [2024-11-14 04:16:35,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243906293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:16:35,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:16:35,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:16:35,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669322633] [2024-11-14 04:16:35,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:16:35,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:16:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:16:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:16:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:16:35,324 INFO L87 Difference]: Start difference. First operand 193 states and 264 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 04:16:37,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:39,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:40,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:16:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:16:40,940 INFO L93 Difference]: Finished difference Result 385 states and 526 transitions. [2024-11-14 04:16:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:16:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2024-11-14 04:16:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:16:40,978 INFO L225 Difference]: With dead ends: 385 [2024-11-14 04:16:40,978 INFO L226 Difference]: Without dead ends: 195 [2024-11-14 04:16:40,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:16:40,980 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 32 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:16:40,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 427 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2024-11-14 04:16:40,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-14 04:16:41,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2024-11-14 04:16:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 134 states have (on average 1.2462686567164178) internal successors, (167), 134 states have internal predecessors, (167), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-14 04:16:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 263 transitions. [2024-11-14 04:16:41,024 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 263 transitions. Word has length 164 [2024-11-14 04:16:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:16:41,025 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 263 transitions. [2024-11-14 04:16:41,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-14 04:16:41,025 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 263 transitions. [2024-11-14 04:16:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 04:16:41,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:16:41,028 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:41,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (11)] Ended with exit code 0 [2024-11-14 04:16:41,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:16:41,229 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:16:41,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:16:41,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1554872532, now seen corresponding path program 1 times [2024-11-14 04:16:41,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:16:41,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671099052] [2024-11-14 04:16:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:16:41,230 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 04:16:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:16:41,232 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:16:41,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (12)] Waiting until timeout for monitored process [2024-11-14 04:16:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:16:41,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 04:16:41,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 585 proven. 201 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-14 04:16:50,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:16:52,665 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:16:52,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671099052] [2024-11-14 04:16:52,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671099052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:16:52,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1313468572] [2024-11-14 04:16:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:16:52,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:16:52,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:16:52,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:16:52,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-14 04:16:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:16:56,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:16:56,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:17:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 585 proven. 201 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-14 04:17:03,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:17:05,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1313468572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:17:05,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359418] [2024-11-14 04:17:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:17:05,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:17:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:17:05,106 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:17:05,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 04:17:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:17:10,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:17:10,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:17:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 493 proven. 192 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-11-14 04:17:17,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:17:18,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:17:18,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:17:18,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 16] total 21 [2024-11-14 04:17:18,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472487062] [2024-11-14 04:17:18,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:17:18,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-14 04:17:18,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:17:18,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-14 04:17:18,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2024-11-14 04:17:18,160 INFO L87 Difference]: Start difference. First operand 193 states and 263 transitions. Second operand has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 20 states have internal predecessors, (96), 7 states have call successors, (31), 7 states have call predecessors, (31), 10 states have return successors, (32), 6 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-14 04:17:20,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:17:28,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:17:30,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:17:32,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:17:34,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:17:36,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:17:38,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:17:40,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:17:44,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:17:44,175 INFO L93 Difference]: Finished difference Result 663 states and 880 transitions. [2024-11-14 04:17:44,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-14 04:17:44,177 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 20 states have internal predecessors, (96), 7 states have call successors, (31), 7 states have call predecessors, (31), 10 states have return successors, (32), 6 states have call predecessors, (32), 7 states have call successors, (32) Word has length 165 [2024-11-14 04:17:44,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:17:44,182 INFO L225 Difference]: With dead ends: 663 [2024-11-14 04:17:44,182 INFO L226 Difference]: Without dead ends: 473 [2024-11-14 04:17:44,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 598 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=340, Invalid=1382, Unknown=0, NotChecked=0, Total=1722 [2024-11-14 04:17:44,185 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 261 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:17:44,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 629 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 737 Invalid, 8 Unknown, 0 Unchecked, 23.3s Time] [2024-11-14 04:17:44,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-14 04:17:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 417. [2024-11-14 04:17:44,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 294 states have (on average 1.2414965986394557) internal successors, (365), 294 states have internal predecessors, (365), 96 states have call successors, (96), 26 states have call predecessors, (96), 26 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-14 04:17:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 557 transitions. [2024-11-14 04:17:44,289 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 557 transitions. Word has length 165 [2024-11-14 04:17:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:17:44,290 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 557 transitions. [2024-11-14 04:17:44,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 20 states have internal predecessors, (96), 7 states have call successors, (31), 7 states have call predecessors, (31), 10 states have return successors, (32), 6 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-14 04:17:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 557 transitions. [2024-11-14 04:17:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 04:17:44,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:17:44,295 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:44,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-14 04:17:44,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (12)] Forceful destruction successful, exit code 0 [2024-11-14 04:17:44,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-14 04:17:44,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:17:44,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:17:44,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:17:44,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2039030186, now seen corresponding path program 1 times [2024-11-14 04:17:44,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:17:44,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237032462] [2024-11-14 04:17:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:17:44,897 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 04:17:44,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:17:44,901 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 04:17:44,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21acdce-6753-415b-822d-ccbf0ebe9716/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 (15)] Waiting until timeout for monitored process [2024-11-14 04:17:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:17:45,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-14 04:17:45,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:20:46,868 WARN L286 SmtUtils]: Spent 24.14s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:22:33,072 WARN L286 SmtUtils]: Spent 16.84s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:24:48,545 WARN L286 SmtUtils]: Spent 42.90s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:27:19,974 WARN L286 SmtUtils]: Spent 59.66s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:28:31,530 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse1 ((_ zero_extend 16) c_~var_1_5~0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 (bvneg .cse1)) (.cse8 (fp.neg .cse7)) (.cse3 (fp.neg .cse4)) (.cse2 ((_ zero_extend 16) c_~var_1_4~0)) (.cse10 ((_ zero_extend 24) c_~var_1_28~0))) (and (= (_ bv200 32) c_~var_1_6~0) (= (_ bv8 32) c_~var_1_23~0) (= (_ bv0 8) c_~last_1_var_1_31~0) (not (= c_~var_1_19~0 (_ bv25 32))) (fp.leq c_~var_1_9~0 .cse0) (bvsle .cse1 (_ bv8 32)) (bvsge .cse2 (_ bv8 32)) (= (_ bv1 8) c_~var_1_24~0) (or (and (fp.geq c_~var_1_11~0 (fp.neg .cse0)) (fp.leq c_~var_1_11~0 .cse3)) (and (fp.leq c_~var_1_11~0 .cse0) (fp.geq c_~var_1_11~0 .cse4))) (fp.leq c_~var_1_8~0 .cse0) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1999999999999999.0 2.0)))) (let ((.cse5 (fp.gt .cse6 c_~var_1_13~0))) (or (and .cse5 (= c_~var_1_29~0 (fp.add c_currentRoundingMode c_~var_1_12~0 .cse6))) (and (= (fp.add c_currentRoundingMode c_~var_1_12~0 c_~var_1_13~0) c_~var_1_29~0) (not .cse5))))) (= c_~var_1_21~0 c_~var_1_17~0) (or (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse7)) (and (fp.leq c_~var_1_13~0 .cse3) (fp.geq c_~var_1_13~0 .cse8))) (= c_~var_1_8~0 c_~var_1_30~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd .cse2 .cse1))) (not (fp.leq c_~last_1_var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0))) (bvule (bvshl (bvmul (_ bv8 32) ((_ sign_extend 16) (_ bv65526 16))) (bvadd .cse9 .cse2)) (_ bv4294967168 32)) (= c_~var_1_27~0 ((_ extract 7 0) (bvadd .cse9 (bvneg .cse2) .cse10))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsle .cse10 (_ bv254 32)) (or (and (fp.geq c_~var_1_12~0 .cse4) (fp.leq c_~var_1_12~0 .cse7)) (and (fp.geq c_~var_1_12~0 .cse8) (fp.leq c_~var_1_12~0 .cse3))) (fp.geq c_~var_1_9~0 .cse4) (fp.geq c_~var_1_8~0 .cse4) (bvsle .cse2 (_ bv17 32)) (= c_~var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (= (_ bv8 8) c_~var_1_33~0) (= c_~last_1_var_1_23~0 (_ bv8 32)) (bvsge .cse10 (_ bv190 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_15~0)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false