./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire --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 1f77d3fa5e179feeb79449d942d251fd79b5fcf3b2d3e183583549dc44656dd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:20,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:21,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:21,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:21,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:21,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:21,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:21,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:21,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:21,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:21,060 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:21,061 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:21,061 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:21,063 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:21,064 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:21,064 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:21,065 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:21,065 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:21,066 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:21,066 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:21,067 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:21,067 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:21,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:21,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:21,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:21,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:21,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:21,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:21,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:21,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:21,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:21,074 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:21,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:21,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:21,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:21,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:21,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:21,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:21,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:21,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:21,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:21,077 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:21,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:21,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:21,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:21,078 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:21,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:21,078 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f77d3fa5e179feeb79449d942d251fd79b5fcf3b2d3e183583549dc44656dd2 [2023-11-23 21:10:21,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:21,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:21,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:21,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:21,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:21,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i [2023-11-23 21:10:24,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:24,802 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:24,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i [2023-11-23 21:10:24,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data/816bd2717/fa7fd99552c44a4db46d4fdb70ce9410/FLAG56eb5beb2 [2023-11-23 21:10:24,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data/816bd2717/fa7fd99552c44a4db46d4fdb70ce9410 [2023-11-23 21:10:24,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:24,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:24,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:24,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:24,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:24,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:24" (1/1) ... [2023-11-23 21:10:24,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e37518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:24, skipping insertion in model container [2023-11-23 21:10:24,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:24" (1/1) ... [2023-11-23 21:10:24,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:25,060 WARN L240 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_b543ce30-418f-4148-b840-f26c1a9472a7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i[915,928] [2023-11-23 21:10:25,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:25,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:25,168 WARN L240 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_b543ce30-418f-4148-b840-f26c1a9472a7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i[915,928] [2023-11-23 21:10:25,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:25,261 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:25,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25 WrapperNode [2023-11-23 21:10:25,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:25,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:25,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:25,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:25,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,354 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 255 [2023-11-23 21:10:25,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:25,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:25,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:25,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:25,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:25,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:25,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:25,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:25,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (1/1) ... [2023-11-23 21:10:25,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:25,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:25,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:25,651 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:25,654 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:26,315 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:26,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:26,724 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:26,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:26 BoogieIcfgContainer [2023-11-23 21:10:26,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:26,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:26,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:26,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:26,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:24" (1/3) ... [2023-11-23 21:10:26,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:26, skipping insertion in model container [2023-11-23 21:10:26,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:25" (2/3) ... [2023-11-23 21:10:26,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:26, skipping insertion in model container [2023-11-23 21:10:26,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:26" (3/3) ... [2023-11-23 21:10:26,735 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-8.i [2023-11-23 21:10:26,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:26,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:26,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:26,846 INFO L357 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, mHoare=true, 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;@1617bece, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:26,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 21:10:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 21:10:26,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:26,871 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:26,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:26,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:26,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1004999156, now seen corresponding path program 1 times [2023-11-23 21:10:26,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:26,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491105843] [2023-11-23 21:10:26,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:26,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:27,151 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:10:27,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906560984] [2023-11-23 21:10:27,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:27,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:27,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:10:27,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:10:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:27,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:28,190 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:10:28,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:10:28,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:10:28,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:10:28,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:28,408 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:10:28,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:10:28,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:10:28 BoogieIcfgContainer [2023-11-23 21:10:28,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:10:28,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:10:28,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:10:28,596 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:10:28,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:26" (3/4) ... [2023-11-23 21:10:28,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:10:28,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:10:28,602 INFO L158 Benchmark]: Toolchain (without parser) took 3758.81ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 97.4MB in the beginning and 107.5MB in the end (delta: -10.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-23 21:10:28,602 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:28,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.70ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 81.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:10:28,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.90ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 77.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:28,611 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 144.7MB. Free memory was 77.1MB in the beginning and 74.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:10:28,612 INFO L158 Benchmark]: RCFGBuilder took 1305.49ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 74.8MB in the beginning and 97.1MB in the end (delta: -22.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-23 21:10:28,614 INFO L158 Benchmark]: TraceAbstraction took 1867.15ms. Allocated memory is still 195.0MB. Free memory was 96.1MB in the beginning and 107.5MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:28,614 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 195.0MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:28,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.70ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 81.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.90ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 77.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 144.7MB. Free memory was 77.1MB in the beginning and 74.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1305.49ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 74.8MB in the beginning and 97.1MB in the end (delta: -22.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1867.15ms. Allocated memory is still 195.0MB. Free memory was 96.1MB in the beginning and 107.5MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 195.0MB. Free memory is still 107.5MB. 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 98, overapproximation of someBinaryArithmeticDOUBLEoperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of bitwiseOr at line 129, overapproximation of someUnaryDOUBLEoperation at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryArithmeticFLOAToperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 256.8; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] signed long int var_1_8 = 1227169815; [L28] signed short int var_1_11 = 4; [L29] unsigned char var_1_12 = 1; [L30] double var_1_14 = -0.5; [L31] double var_1_15 = 7.5; [L32] unsigned char var_1_16 = 1; [L33] double var_1_17 = 25.2; [L34] double var_1_18 = 256.4; [L35] signed long int var_1_19 = 4; [L36] unsigned char var_1_20 = 1; [L37] unsigned char var_1_22 = 50; [L38] float var_1_23 = 15.4; [L39] signed short int var_1_24 = -32; [L40] signed short int var_1_25 = 20388; [L41] signed long int var_1_26 = 0; [L42] double var_1_27 = 0.6; [L43] unsigned char var_1_28 = 128; [L44] unsigned char var_1_29 = 5; [L45] signed char var_1_30 = -2; [L46] signed char var_1_31 = 5; [L47] signed char var_1_32 = 10; [L48] signed char var_1_33 = 4; [L49] signed char var_1_34 = 8; [L50] float last_1_var_1_1 = 256.8; [L51] unsigned char last_1_var_1_20 = 1; [L52] float last_1_var_1_23 = 15.4; [L197] isInitial = 1 [L198] FCALL initially() [L199] int k_loop; [L200] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=-5, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L200] COND TRUE k_loop < 1 [L201] CALL updateLastVariables() [L188] last_1_var_1_1 = var_1_1 [L189] last_1_var_1_20 = var_1_20 [L190] last_1_var_1_23 = var_1_23 [L201] RET updateLastVariables() [L202] CALL updateVariables() [L140] var_1_4 = __VERIFIER_nondet_long() [L141] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L142] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L143] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L144] var_1_5 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_6=2476/25, var_1_7=-2, var_1_8=1227169815] [L146] var_1_6 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1227169815] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1227169815] [L148] var_1_8 = __VERIFIER_nondet_long() [L149] CALL assume_abort_if_not(var_1_8 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_8 >= 1073741822) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L150] CALL assume_abort_if_not(var_1_8 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=1, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L151] var_1_12 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L153] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=1, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L154] var_1_16 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L156] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_17=126/5, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L157] var_1_17 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_18=1282/5, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L159] var_1_18 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=50, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L161] var_1_22 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L163] CALL assume_abort_if_not(var_1_22 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_22 <= 254) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=-32, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L164] var_1_24 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_24 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_24 >= -32768) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L166] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L167] CALL assume_abort_if_not(var_1_24 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 != 0) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=20388, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L168] var_1_25 = __VERIFIER_nondet_short() [L169] CALL assume_abort_if_not(var_1_25 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 16383) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L170] CALL assume_abort_if_not(var_1_25 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 32767) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=5, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L171] var_1_29 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L173] CALL assume_abort_if_not(var_1_29 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_29 <= 254) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=5, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L174] var_1_31 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_31 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_31 >= -63) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L176] CALL assume_abort_if_not(var_1_31 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_31 <= 63) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=10, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L177] var_1_32 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_32 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 >= -63) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L179] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=4, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L180] var_1_33 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_33 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_33 >= -127) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L182] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=8, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L183] var_1_34 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_34 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=-127, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_34 >= -127) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=-127, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L185] CALL assume_abort_if_not(var_1_34 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=-127, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_34 <= 126) VAL [isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=4, var_1_12=0, var_1_15=15/2, var_1_16=0, var_1_19=4, var_1_1=1284/5, var_1_20=1, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=0, var_1_27=3/5, var_1_28=128, var_1_29=0, var_1_30=-2, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=-127, var_1_4=3, var_1_7=-2, var_1_8=1073741822] [L202] RET updateVariables() [L203] CALL step() [L56] COND TRUE var_1_18 < last_1_var_1_23 [L57] COND FALSE !(\read(var_1_12)) [L64] var_1_20 = var_1_22 [L67] COND TRUE var_1_8 > var_1_4 [L68] var_1_11 = 0 [L80] COND TRUE (var_1_22 + (var_1_20 / var_1_24)) <= var_1_20 [L81] var_1_27 = (10000.2 + (((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))))) [L85] signed long int stepLocal_5 = 10000000; [L86] COND TRUE (var_1_5 - var_1_6) >= var_1_27 [L87] COND TRUE stepLocal_5 > var_1_11 [L88] var_1_30 = (((((var_1_31 + var_1_32)) > (var_1_33)) ? ((var_1_31 + var_1_32)) : (var_1_33))) [L93] signed char stepLocal_4 = var_1_30; [L94] COND TRUE ((var_1_30 + var_1_20) / var_1_4) > stepLocal_4 [L95] var_1_28 = ((((var_1_22) < (var_1_29)) ? (var_1_22) : (var_1_29))) [L97] var_1_19 = (var_1_28 + (var_1_30 + var_1_11)) [L98] EXPR 8 << var_1_19 [L98] COND FALSE !(var_1_20 < ((8 << var_1_19) / ((((var_1_4) < (var_1_24)) ? (var_1_4) : (var_1_24))))) [L103] unsigned char stepLocal_1 = var_1_4 >= var_1_11; [L104] COND TRUE ((var_1_6 - var_1_5) < var_1_23) || stepLocal_1 [L105] var_1_7 = ((var_1_8 - var_1_28) - var_1_28) [L109] signed long int stepLocal_0 = var_1_7 % var_1_4; [L110] COND FALSE !(var_1_19 == stepLocal_0) [L113] COND FALSE !(\read(var_1_12)) [L120] var_1_14 = var_1_6 [L122] COND FALSE !(1.000000004E8 == var_1_23) [L125] var_1_26 = ((((-4) < 0 ) ? -(-4) : (-4))) [L127] unsigned char stepLocal_3 = var_1_16; [L128] signed long int stepLocal_2 = var_1_8; [L129] EXPR var_1_26 ^ var_1_30 [L129] COND FALSE !(stepLocal_2 < (var_1_26 ^ var_1_30)) [L136] var_1_15 = var_1_17 [L203] RET step() [L204] CALL, EXPR property() [L193] EXPR (((((var_1_19 == (var_1_7 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((((var_1_6 - var_1_5) < var_1_23) || (var_1_4 >= var_1_11)) ? (var_1_7 == ((signed long int) ((var_1_8 - var_1_28) - var_1_28))) : (var_1_7 == ((signed long int) -32)))) && ((var_1_8 > var_1_4) ? (var_1_11 == ((signed short int) 0)) : ((var_1_8 <= (last_1_var_1_20 + (last_1_var_1_20 / var_1_4))) ? (var_1_12 ? (var_1_11 == ((signed short int) last_1_var_1_20)) : (var_1_11 == ((signed short int) last_1_var_1_20))) : (var_1_11 == ((signed short int) last_1_var_1_20))))) && (var_1_12 ? ((((var_1_19 + var_1_20) * var_1_20) == ((var_1_8 + var_1_4) * var_1_20)) ? (var_1_14 == ((double) var_1_6)) : (var_1_14 == ((double) var_1_6))) : (var_1_14 == ((double) var_1_6)))) && ((var_1_8 < (var_1_26 ^ var_1_30)) ? (((! var_1_12) || var_1_16) ? (var_1_15 == ((double) ((((var_1_6) < ((var_1_17 + var_1_18))) ? (var_1_6) : ((var_1_17 + var_1_18)))))) : (var_1_15 == ((double) var_1_17))) : (var_1_15 == ((double) var_1_17))) [L193] EXPR var_1_26 ^ var_1_30 [L193] EXPR (((((var_1_19 == (var_1_7 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((((var_1_6 - var_1_5) < var_1_23) || (var_1_4 >= var_1_11)) ? (var_1_7 == ((signed long int) ((var_1_8 - var_1_28) - var_1_28))) : (var_1_7 == ((signed long int) -32)))) && ((var_1_8 > var_1_4) ? (var_1_11 == ((signed short int) 0)) : ((var_1_8 <= (last_1_var_1_20 + (last_1_var_1_20 / var_1_4))) ? (var_1_12 ? (var_1_11 == ((signed short int) last_1_var_1_20)) : (var_1_11 == ((signed short int) last_1_var_1_20))) : (var_1_11 == ((signed short int) last_1_var_1_20))))) && (var_1_12 ? ((((var_1_19 + var_1_20) * var_1_20) == ((var_1_8 + var_1_4) * var_1_20)) ? (var_1_14 == ((double) var_1_6)) : (var_1_14 == ((double) var_1_6))) : (var_1_14 == ((double) var_1_6)))) && ((var_1_8 < (var_1_26 ^ var_1_30)) ? (((! var_1_12) || var_1_16) ? (var_1_15 == ((double) ((((var_1_6) < ((var_1_17 + var_1_18))) ? (var_1_6) : ((var_1_17 + var_1_18)))))) : (var_1_15 == ((double) var_1_17))) : (var_1_15 == ((double) var_1_17))) [L193] EXPR ((((((((var_1_19 == (var_1_7 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((((var_1_6 - var_1_5) < var_1_23) || (var_1_4 >= var_1_11)) ? (var_1_7 == ((signed long int) ((var_1_8 - var_1_28) - var_1_28))) : (var_1_7 == ((signed long int) -32)))) && ((var_1_8 > var_1_4) ? (var_1_11 == ((signed short int) 0)) : ((var_1_8 <= (last_1_var_1_20 + (last_1_var_1_20 / var_1_4))) ? (var_1_12 ? (var_1_11 == ((signed short int) last_1_var_1_20)) : (var_1_11 == ((signed short int) last_1_var_1_20))) : (var_1_11 == ((signed short int) last_1_var_1_20))))) && (var_1_12 ? ((((var_1_19 + var_1_20) * var_1_20) == ((var_1_8 + var_1_4) * var_1_20)) ? (var_1_14 == ((double) var_1_6)) : (var_1_14 == ((double) var_1_6))) : (var_1_14 == ((double) var_1_6)))) && ((var_1_8 < (var_1_26 ^ var_1_30)) ? (((! var_1_12) || var_1_16) ? (var_1_15 == ((double) ((((var_1_6) < ((var_1_17 + var_1_18))) ? (var_1_6) : ((var_1_17 + var_1_18)))))) : (var_1_15 == ((double) var_1_17))) : (var_1_15 == ((double) var_1_17)))) && (var_1_19 == ((signed long int) (var_1_28 + (var_1_30 + var_1_11))))) && ((var_1_18 < last_1_var_1_23) ? (var_1_12 ? (((last_1_var_1_1 + var_1_6) != last_1_var_1_1) ? (var_1_20 == ((unsigned char) var_1_22)) : (var_1_20 == ((unsigned char) var_1_22))) : (var_1_20 == ((unsigned char) var_1_22))) : 1)) && ((var_1_20 < ((8 << var_1_19) / ((((var_1_4) < (var_1_24)) ? (var_1_4) : (var_1_24))))) ? (((256 - (var_1_25 - var_1_22)) >= var_1_11) ? (var_1_23 == ((float) (((((var_1_5 - var_1_6)) < (var_1_17)) ? ((var_1_5 - var_1_6)) : (var_1_17))))) : 1) : 1) [L193-L194] return ((((((((((((var_1_19 == (var_1_7 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((((var_1_6 - var_1_5) < var_1_23) || (var_1_4 >= var_1_11)) ? (var_1_7 == ((signed long int) ((var_1_8 - var_1_28) - var_1_28))) : (var_1_7 == ((signed long int) -32)))) && ((var_1_8 > var_1_4) ? (var_1_11 == ((signed short int) 0)) : ((var_1_8 <= (last_1_var_1_20 + (last_1_var_1_20 / var_1_4))) ? (var_1_12 ? (var_1_11 == ((signed short int) last_1_var_1_20)) : (var_1_11 == ((signed short int) last_1_var_1_20))) : (var_1_11 == ((signed short int) last_1_var_1_20))))) && (var_1_12 ? ((((var_1_19 + var_1_20) * var_1_20) == ((var_1_8 + var_1_4) * var_1_20)) ? (var_1_14 == ((double) var_1_6)) : (var_1_14 == ((double) var_1_6))) : (var_1_14 == ((double) var_1_6)))) && ((var_1_8 < (var_1_26 ^ var_1_30)) ? (((! var_1_12) || var_1_16) ? (var_1_15 == ((double) ((((var_1_6) < ((var_1_17 + var_1_18))) ? (var_1_6) : ((var_1_17 + var_1_18)))))) : (var_1_15 == ((double) var_1_17))) : (var_1_15 == ((double) var_1_17)))) && (var_1_19 == ((signed long int) (var_1_28 + (var_1_30 + var_1_11))))) && ((var_1_18 < last_1_var_1_23) ? (var_1_12 ? (((last_1_var_1_1 + var_1_6) != last_1_var_1_1) ? (var_1_20 == ((unsigned char) var_1_22)) : (var_1_20 == ((unsigned char) var_1_22))) : (var_1_20 == ((unsigned char) var_1_22))) : 1)) && ((var_1_20 < ((8 << var_1_19) / ((((var_1_4) < (var_1_24)) ? (var_1_4) : (var_1_24))))) ? (((256 - (var_1_25 - var_1_22)) >= var_1_11) ? (var_1_23 == ((float) (((((var_1_5 - var_1_6)) < (var_1_17)) ? ((var_1_5 - var_1_6)) : (var_1_17))))) : 1) : 1)) && ((1.000000004E8 == var_1_23) ? (var_1_26 == ((signed long int) (64 + var_1_20))) : (var_1_26 == ((signed long int) ((((-4) < 0 ) ? -(-4) : (-4))))))) && (((var_1_22 + (var_1_20 / var_1_24)) <= var_1_20) ? (var_1_27 == ((double) (10000.2 + (((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))))))) : (var_1_27 == ((double) (var_1_5 - var_1_6))))) && ((((var_1_30 + var_1_20) / var_1_4) > var_1_30) ? (var_1_28 == ((unsigned char) ((((var_1_22) < (var_1_29)) ? (var_1_22) : (var_1_29))))) : 1)) && (((var_1_5 - var_1_6) >= var_1_27) ? ((10000000 > var_1_11) ? (var_1_30 == ((signed char) (((((var_1_31 + var_1_32)) > (var_1_33)) ? ((var_1_31 + var_1_32)) : (var_1_33))))) : (var_1_30 == ((signed char) var_1_34))) : 1) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=0, var_1_12=0, var_1_14=3, var_1_15=2, var_1_16=0, var_1_17=2, var_1_19=0, var_1_1=1284/5, var_1_20=3, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=4, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=-127, var_1_4=3, var_1_6=3, var_1_7=1073741822, var_1_8=1073741822] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=1284/5, last_1_var_1_20=1, last_1_var_1_23=77/5, var_1_11=0, var_1_12=0, var_1_14=3, var_1_15=2, var_1_16=0, var_1_17=2, var_1_19=0, var_1_1=1284/5, var_1_20=3, var_1_22=3, var_1_23=77/5, var_1_24=32767, var_1_25=16383, var_1_26=4, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=63, var_1_32=-63, var_1_33=0, var_1_34=-127, var_1_4=3, var_1_6=3, var_1_7=1073741822, var_1_8=1073741822] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 30, 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=55occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 1 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 [2023-11-23 21:10:28,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire --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 1f77d3fa5e179feeb79449d942d251fd79b5fcf3b2d3e183583549dc44656dd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:31,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:31,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:10:31,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:31,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:31,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:31,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:31,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:31,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:31,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:31,510 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:31,510 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:31,511 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:31,512 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:31,513 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:31,514 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:31,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:31,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:31,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:31,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:31,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:31,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:31,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:31,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:31,520 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:10:31,520 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:31,521 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:31,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:31,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:31,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:31,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:31,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:31,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:31,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:31,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:31,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:31,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:31,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:31,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:31,528 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:31,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:31,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:31,529 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:31,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:31,530 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f77d3fa5e179feeb79449d942d251fd79b5fcf3b2d3e183583549dc44656dd2 [2023-11-23 21:10:31,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:32,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:32,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:32,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:32,010 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:32,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i [2023-11-23 21:10:35,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:35,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:35,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i [2023-11-23 21:10:35,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data/c43e175ad/981c8b3f08134976b2a13335c7b1b081/FLAGb3755cbdb [2023-11-23 21:10:35,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/data/c43e175ad/981c8b3f08134976b2a13335c7b1b081 [2023-11-23 21:10:35,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:35,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:35,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:35,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:35,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:35,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:35" (1/1) ... [2023-11-23 21:10:35,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133870c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:35, skipping insertion in model container [2023-11-23 21:10:35,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:35" (1/1) ... [2023-11-23 21:10:35,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:35,863 WARN L240 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_b543ce30-418f-4148-b840-f26c1a9472a7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i[915,928] [2023-11-23 21:10:36,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:36,033 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:36,053 WARN L240 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_b543ce30-418f-4148-b840-f26c1a9472a7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-8.i[915,928] [2023-11-23 21:10:36,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:36,193 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:36,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36 WrapperNode [2023-11-23 21:10:36,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:36,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:36,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:36,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:36,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,284 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-23 21:10:36,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:36,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:36,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:36,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:36,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:36,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:36,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:36,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:36,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (1/1) ... [2023-11-23 21:10:36,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:36,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:36,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:36,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:36,624 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:36,628 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:43,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:43,464 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:43,464 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:43,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:43 BoogieIcfgContainer [2023-11-23 21:10:43,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:43,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:43,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:43,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:43,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:35" (1/3) ... [2023-11-23 21:10:43,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f223de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:43, skipping insertion in model container [2023-11-23 21:10:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:36" (2/3) ... [2023-11-23 21:10:43,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f223de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:43, skipping insertion in model container [2023-11-23 21:10:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:43" (3/3) ... [2023-11-23 21:10:43,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-8.i [2023-11-23 21:10:43,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:43,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:43,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:43,584 INFO L357 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, mHoare=true, 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;@3b246ee7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:43,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 21:10:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 21:10:43,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:43,617 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:43,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:43,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash 88038310, now seen corresponding path program 1 times [2023-11-23 21:10:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:43,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593199588] [2023-11-23 21:10:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:43,644 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 [2023-11-23 21:10:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:43,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:43,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:44,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:10:44,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-23 21:10:44,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:44,586 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:44,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593199588] [2023-11-23 21:10:44,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593199588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:44,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:44,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:44,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946347234] [2023-11-23 21:10:44,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:44,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:10:44,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:44,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:10:44,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:44,627 INFO L87 Difference]: Start difference. First operand has 84 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-23 21:10:46,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:46,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:46,938 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2023-11-23 21:10:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:10:46,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188 [2023-11-23 21:10:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:46,953 INFO L225 Difference]: With dead ends: 167 [2023-11-23 21:10:46,953 INFO L226 Difference]: Without dead ends: 82 [2023-11-23 21:10:46,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:46,962 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:46,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:10:46,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-23 21:10:47,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-23 21:10:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 21:10:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 129 transitions. [2023-11-23 21:10:47,021 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 129 transitions. Word has length 188 [2023-11-23 21:10:47,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:47,024 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 129 transitions. [2023-11-23 21:10:47,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-23 21:10:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-11-23 21:10:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 21:10:47,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:47,031 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:47,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:47,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:47,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:47,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash 145296612, now seen corresponding path program 1 times [2023-11-23 21:10:47,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:47,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241854870] [2023-11-23 21:10:47,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:47,237 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 [2023-11-23 21:10:47,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:47,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543ce30-418f-4148-b840-f26c1a9472a7/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:48,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 21:10:48,135 INFO L285 TraceCheckSpWp]: Computing forward predicates...