./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 62606ee9c3c6ad1797c432d803dd609730f326d6f279190fb6330afa114f8159 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:16,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:16,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:21:16,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:16,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:16,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:16,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:16,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:16,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:16,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:16,331 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:16,332 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:16,332 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:16,333 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:16,334 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:16,334 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:16,335 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:16,335 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:16,336 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:16,337 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:16,337 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:16,338 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:16,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:16,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:16,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:16,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:16,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:16,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:16,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:16,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:16,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:16,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:16,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:16,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:16,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:16,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:16,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:16,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:16,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:16,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:16,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:16,349 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:16,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:16,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:16,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:16,350 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:16,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:16,351 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_8e28cde4-c985-4d6f-99ec-8c932af94c80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62606ee9c3c6ad1797c432d803dd609730f326d6f279190fb6330afa114f8159 [2023-11-23 21:21:16,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:16,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:16,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:16,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:16,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:16,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i [2023-11-23 21:21:19,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:20,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:20,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i [2023-11-23 21:21:20,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data/b2322537c/3fbaf0340d344a1c955a60890e2e08c9/FLAG496580612 [2023-11-23 21:21:20,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data/b2322537c/3fbaf0340d344a1c955a60890e2e08c9 [2023-11-23 21:21:20,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:20,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:20,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:20,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:20,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:20,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd8f54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20, skipping insertion in model container [2023-11-23 21:21:20,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:20,414 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_8e28cde4-c985-4d6f-99ec-8c932af94c80/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i[916,929] [2023-11-23 21:21:20,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:20,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:20,566 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_8e28cde4-c985-4d6f-99ec-8c932af94c80/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i[916,929] [2023-11-23 21:21:20,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:20,682 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:20,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20 WrapperNode [2023-11-23 21:21:20,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:20,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:20,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:20,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:20,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,773 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-11-23 21:21:20,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:20,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:20,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:20,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:20,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:20,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:20,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:20,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:20,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (1/1) ... [2023-11-23 21:21:20,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:20,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:21,106 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:21,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:21,573 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:21,968 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:21,968 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:21,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:21 BoogieIcfgContainer [2023-11-23 21:21:21,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:21,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:21,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:21,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:21,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:20" (1/3) ... [2023-11-23 21:21:21,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56086257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:21, skipping insertion in model container [2023-11-23 21:21:21,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:20" (2/3) ... [2023-11-23 21:21:21,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56086257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:21, skipping insertion in model container [2023-11-23 21:21:21,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:21" (3/3) ... [2023-11-23 21:21:21,979 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-77.i [2023-11-23 21:21:21,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:21,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:22,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:22,077 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;@5583431b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:22,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:21:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 21:21:22,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:22,097 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:22,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:22,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash 360250336, now seen corresponding path program 1 times [2023-11-23 21:21:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:22,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616627673] [2023-11-23 21:21:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:22,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:22,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143762428] [2023-11-23 21:21:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:22,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:22,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:22,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:22,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:22,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:22,845 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:22,851 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:22,852 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:22,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:23,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:21:23,078 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:23,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:23,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:23 BoogieIcfgContainer [2023-11-23 21:21:23,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:23,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:23,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:23,211 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:23,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:21" (3/4) ... [2023-11-23 21:21:23,214 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:23,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:23,217 INFO L158 Benchmark]: Toolchain (without parser) took 3082.67ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 65.3MB in the beginning and 92.9MB in the end (delta: -27.6MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:23,218 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 92.5MB in the beginning and 92.4MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:23,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.34ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 65.1MB in the beginning and 149.5MB in the end (delta: -84.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-23 21:21:23,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.28ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 146.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:23,221 INFO L158 Benchmark]: Boogie Preprocessor took 83.01ms. Allocated memory is still 188.7MB. Free memory was 146.4MB in the beginning and 144.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:23,222 INFO L158 Benchmark]: RCFGBuilder took 1111.07ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 144.4MB in the end (delta: -116.8kB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:23,223 INFO L158 Benchmark]: TraceAbstraction took 1238.02ms. Allocated memory is still 188.7MB. Free memory was 144.4MB in the beginning and 92.9MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 21:21:23,223 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 188.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:23,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 92.5MB in the beginning and 92.4MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.34ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 65.1MB in the beginning and 149.5MB in the end (delta: -84.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.28ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 146.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.01ms. Allocated memory is still 188.7MB. Free memory was 146.4MB in the beginning and 144.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.07ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 144.4MB in the end (delta: -116.8kB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1238.02ms. Allocated memory is still 188.7MB. Free memory was 144.4MB in the beginning and 92.9MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 188.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someUnaryFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -8; [L23] float var_1_2 = 1.5; [L24] float var_1_3 = 24.7; [L25] float var_1_8 = 0.875; [L26] float var_1_9 = 31.875; [L27] float var_1_10 = 255.25; [L28] float var_1_11 = 0.0; [L29] float var_1_12 = 7.58; [L30] float var_1_13 = 8.6; [L31] float var_1_14 = 49.75; [L32] signed short int var_1_16 = -64; [L33] signed long int var_1_18 = 4; [L34] signed long int var_1_19 = 100; [L35] unsigned char var_1_21 = 0; [L36] unsigned char var_1_23 = 0; [L37] signed char var_1_24 = 16; [L38] signed short int var_1_26 = -1; [L39] signed char var_1_27 = -32; [L40] unsigned char var_1_28 = 1; [L41] signed long int var_1_29 = -4; [L42] signed short int var_1_31 = 1000; [L43] signed long int var_1_32 = 4; [L44] signed short int var_1_33 = 8; [L45] signed short int var_1_34 = 25; [L46] signed short int var_1_35 = 100; [L47] signed short int var_1_36 = 10000; [L48] float var_1_38 = 2.125; [L49] signed long int var_1_39 = -1000000; [L50] signed long int last_1_var_1_1 = -8; [L51] float last_1_var_1_8 = 0.875; [L52] signed short int last_1_var_1_16 = -64; [L53] signed long int last_1_var_1_18 = 4; [L54] signed long int last_1_var_1_19 = 100; [L55] signed char last_1_var_1_24 = 16; [L56] signed long int last_1_var_1_29 = -4; [L57] signed short int last_1_var_1_31 = 1000; [L58] signed long int last_1_var_1_39 = -1000000; [L203] isInitial = 1 [L204] FCALL initially() [L205] COND TRUE 1 [L206] CALL updateLastVariables() [L188] last_1_var_1_1 = var_1_1 [L189] last_1_var_1_8 = var_1_8 [L190] last_1_var_1_16 = var_1_16 [L191] last_1_var_1_18 = var_1_18 [L192] last_1_var_1_19 = var_1_19 [L193] last_1_var_1_24 = var_1_24 [L194] last_1_var_1_29 = var_1_29 [L195] last_1_var_1_31 = var_1_31 [L196] last_1_var_1_39 = var_1_39 [L206] RET updateLastVariables() [L207] CALL updateVariables() [L145] var_1_2 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_10=1021/4, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_3=247/10, var_1_8=7/8, var_1_9=255/8] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_10=1021/4, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_3=247/10, var_1_8=7/8, var_1_9=255/8] [L147] var_1_3 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_10=1021/4, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8, var_1_9=255/8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_10=1021/4, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8, var_1_9=255/8] [L149] var_1_9 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_10=1021/4, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_10=1021/4, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L151] var_1_10 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_11=0, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L153] var_1_11 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_11 >= 6917529.027641073700e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_11 >= 6917529.027641073700e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_12=379/50, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L155] var_1_12 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_13=43/5, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L157] var_1_13 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_14=199/4, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L159] var_1_14 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L161] var_1_23 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L163] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=-1, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L164] var_1_26 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_26 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_26 >= -32768) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L166] CALL assume_abort_if_not(var_1_26 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_26 <= 32767) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L167] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=-32, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L168] var_1_27 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L170] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=4, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L171] var_1_32 = __VERIFIER_nondet_long() [L172] CALL assume_abort_if_not(var_1_32 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_32 >= -1) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L173] CALL assume_abort_if_not(var_1_32 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_32 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=8, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L174] var_1_33 = __VERIFIER_nondet_short() [L175] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L176] CALL assume_abort_if_not(var_1_33 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_33 <= 16383) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=25, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L177] var_1_34 = __VERIFIER_nondet_short() [L178] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L179] CALL assume_abort_if_not(var_1_34 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_34 <= 16383) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=100, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L180] var_1_35 = __VERIFIER_nondet_short() [L181] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L182] CALL assume_abort_if_not(var_1_35 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_35 <= 32766) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=10000, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L183] var_1_36 = __VERIFIER_nondet_short() [L184] CALL assume_abort_if_not(var_1_36 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=8191, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_36 >= 8191) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=8191, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L185] CALL assume_abort_if_not(var_1_36 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=8191, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_36 <= 16383) VAL [isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_16=-64, var_1_18=4, var_1_19=100, var_1_1=-8, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-4, var_1_31=1000, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=8191, var_1_38=17/8, var_1_39=-1000000, var_1_8=7/8] [L207] RET updateVariables() [L208] CALL step() [L62] COND FALSE !((var_1_2 - var_1_3) >= last_1_var_1_8) [L65] var_1_1 = last_1_var_1_16 [L67] signed long int stepLocal_6 = -5; [L68] signed long int stepLocal_5 = last_1_var_1_1; [L69] signed long int stepLocal_4 = (var_1_32 - 4) * last_1_var_1_24; [L70] COND TRUE stepLocal_5 <= (last_1_var_1_18 * var_1_27) [L71] COND TRUE ((((last_1_var_1_18) < (last_1_var_1_16)) ? (last_1_var_1_18) : (last_1_var_1_16))) == stepLocal_4 [L72] var_1_31 = ((var_1_33 + var_1_34) - var_1_35) [L83] COND FALSE !(((var_1_13 * var_1_12) * var_1_3) != (var_1_14 + last_1_var_1_8)) [L90] COND FALSE !((((((var_1_2 * var_1_10)) > (var_1_11)) ? ((var_1_2 * var_1_10)) : (var_1_11))) > var_1_9) [L97] var_1_16 = var_1_24 [L99] COND TRUE var_1_35 <= var_1_27 [L100] var_1_38 = var_1_9 [L104] COND FALSE !(var_1_16 <= ((var_1_31 / -128) + var_1_1)) [L107] signed long int stepLocal_0 = 64; [L108] COND FALSE !(stepLocal_0 <= var_1_24) [L111] COND FALSE !(\read(var_1_21)) [L114] var_1_8 = (var_1_12 - 2.125f) [L117] COND FALSE !(var_1_9 > var_1_13) [L120] unsigned char stepLocal_2 = (var_1_31 + var_1_24) >= var_1_1; [L121] COND FALSE !(stepLocal_2 || var_1_23) [L124] COND TRUE ! var_1_21 [L125] COND TRUE (last_1_var_1_39 <= var_1_31) || var_1_28 [L126] var_1_39 = var_1_36 [L129] unsigned char stepLocal_1 = var_1_21; [L130] COND TRUE var_1_28 || stepLocal_1 [L131] var_1_19 = (((((var_1_31 + var_1_24)) > ((-8 + var_1_18))) ? ((var_1_31 + var_1_24)) : ((-8 + var_1_18)))) [L133] signed long int stepLocal_3 = var_1_24 * (var_1_31 * var_1_16); [L134] COND FALSE !(-50 == stepLocal_3) [L137] COND FALSE !(\read(var_1_23)) [L140] var_1_29 = var_1_1 [L208] RET step() [L209] CALL, EXPR property() [L199-L200] return (((((((((((((var_1_2 - var_1_3) >= last_1_var_1_8) ? (var_1_1 == ((signed long int) ((last_1_var_1_24 + last_1_var_1_31) + last_1_var_1_16))) : (var_1_1 == ((signed long int) last_1_var_1_16))) && ((64 <= var_1_24) ? (var_1_8 == ((float) (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) - (var_1_12 + (var_1_13 + var_1_14))))) : (var_1_21 ? (var_1_8 == ((float) (((((((var_1_13) > (var_1_11)) ? (var_1_13) : (var_1_11))) < 0 ) ? -((((var_1_13) > (var_1_11)) ? (var_1_13) : (var_1_11))) : ((((var_1_13) > (var_1_11)) ? (var_1_13) : (var_1_11))))))) : (var_1_8 == ((float) (var_1_12 - 2.125f)))))) && (((((((var_1_2 * var_1_10)) > (var_1_11)) ? ((var_1_2 * var_1_10)) : (var_1_11))) > var_1_9) ? ((var_1_13 != var_1_2) ? (var_1_16 == ((signed short int) var_1_24)) : (var_1_16 == ((signed short int) var_1_24))) : (var_1_16 == ((signed short int) var_1_24)))) && ((var_1_9 > var_1_13) ? (var_1_18 == ((signed long int) (var_1_24 + var_1_31))) : 1)) && ((var_1_28 || var_1_21) ? (var_1_19 == ((signed long int) (((((var_1_31 + var_1_24)) > ((-8 + var_1_18))) ? ((var_1_31 + var_1_24)) : ((-8 + var_1_18)))))) : 1)) && ((var_1_16 <= ((var_1_31 / -128) + var_1_1)) ? (var_1_21 == ((unsigned char) var_1_23)) : 1)) && ((((var_1_13 * var_1_12) * var_1_3) != (var_1_14 + last_1_var_1_8)) ? ((last_1_var_1_29 >= (last_1_var_1_19 / var_1_26)) ? (var_1_24 == ((signed char) var_1_27)) : (var_1_24 == ((signed char) var_1_27))) : 1)) && ((((var_1_31 + var_1_24) >= var_1_1) || var_1_23) ? (var_1_28 == ((unsigned char) (var_1_21 && var_1_23))) : 1)) && ((-50 == (var_1_24 * (var_1_31 * var_1_16))) ? (var_1_29 == ((signed long int) ((((-500) < (var_1_18)) ? (-500) : (var_1_18))))) : (var_1_23 ? (var_1_29 == ((signed long int) var_1_1)) : (var_1_29 == ((signed long int) var_1_1))))) && ((last_1_var_1_1 <= (last_1_var_1_18 * var_1_27)) ? ((((((last_1_var_1_18) < (last_1_var_1_16)) ? (last_1_var_1_18) : (last_1_var_1_16))) == ((var_1_32 - 4) * last_1_var_1_24)) ? (var_1_31 == ((signed short int) ((var_1_33 + var_1_34) - var_1_35))) : (var_1_31 == ((signed short int) (((var_1_36 - 1) - var_1_33) + var_1_34)))) : ((-5 <= last_1_var_1_39) ? (var_1_31 == ((signed short int) var_1_27)) : (var_1_31 == ((signed short int) last_1_var_1_24))))) && ((var_1_35 <= var_1_27) ? (var_1_38 == ((float) var_1_9)) : (var_1_38 == ((float) (((((((var_1_13 - var_1_9) < 0 ) ? -(var_1_13 - var_1_9) : (var_1_13 - var_1_9))) < 0 ) ? -((((var_1_13 - var_1_9) < 0 ) ? -(var_1_13 - var_1_9) : (var_1_13 - var_1_9))) : ((((var_1_13 - var_1_9) < 0 ) ? -(var_1_13 - var_1_9) : (var_1_13 - var_1_9))))))))) && ((! var_1_21) ? (((last_1_var_1_39 <= var_1_31) || var_1_28) ? (var_1_39 == ((signed long int) var_1_36)) : 1) : 1) ; [L209] RET, EXPR property() [L209] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_11=0, var_1_13=0, var_1_16=16, var_1_18=4, var_1_19=-4, var_1_1=-64, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-64, var_1_31=-81, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=8191, var_1_38=2, var_1_39=8191, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-64, last_1_var_1_18=4, last_1_var_1_19=100, last_1_var_1_1=-8, last_1_var_1_24=16, last_1_var_1_29=-4, last_1_var_1_31=1000, last_1_var_1_39=-1000000, last_1_var_1_8=7/8, var_1_11=0, var_1_13=0, var_1_16=16, var_1_18=4, var_1_19=-4, var_1_1=-64, var_1_21=0, var_1_23=0, var_1_24=16, var_1_26=101, var_1_27=81, var_1_28=1, var_1_29=-64, var_1_31=-81, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=81, var_1_36=8191, var_1_38=2, var_1_39=8191, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 25, 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=50occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 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 21:21:23,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 62606ee9c3c6ad1797c432d803dd609730f326d6f279190fb6330afa114f8159 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:25,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:25,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:25,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:25,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:25,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:25,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:25,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:25,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:25,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:25,949 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:25,950 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:25,950 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:25,951 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:25,951 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:25,952 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:25,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:25,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:25,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:25,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:25,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:25,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:25,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:25,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:25,957 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:25,957 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:25,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:25,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:25,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:25,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:25,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:25,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:25,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:25,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:25,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:25,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:25,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:25,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:25,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:25,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:25,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:25,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:25,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:25,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:25,965 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_8e28cde4-c985-4d6f-99ec-8c932af94c80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62606ee9c3c6ad1797c432d803dd609730f326d6f279190fb6330afa114f8159 [2023-11-23 21:21:26,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:26,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:26,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:26,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:26,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:26,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i [2023-11-23 21:21:29,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:29,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:29,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i [2023-11-23 21:21:29,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data/40b32a422/31c481c7c165427187adac9cc13ace9a/FLAG17065367a [2023-11-23 21:21:29,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/data/40b32a422/31c481c7c165427187adac9cc13ace9a [2023-11-23 21:21:29,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:29,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:29,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:29,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:29,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:29,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49674f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:29, skipping insertion in model container [2023-11-23 21:21:29,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:29" (1/1) ... [2023-11-23 21:21:29,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:30,208 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_8e28cde4-c985-4d6f-99ec-8c932af94c80/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i[916,929] [2023-11-23 21:21:30,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:30,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:30,329 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_8e28cde4-c985-4d6f-99ec-8c932af94c80/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-77.i[916,929] [2023-11-23 21:21:30,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:30,467 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:30,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30 WrapperNode [2023-11-23 21:21:30,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:30,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:30,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:30,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:30,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,548 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2023-11-23 21:21:30,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:30,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:30,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:30,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:30,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:30,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:30,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:30,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:30,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (1/1) ... [2023-11-23 21:21:30,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:30,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:30,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:30,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:30,862 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:30,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:38,865 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:38,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:38,929 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:38,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:38 BoogieIcfgContainer [2023-11-23 21:21:38,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:38,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:38,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:38,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:38,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:29" (1/3) ... [2023-11-23 21:21:38,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37562ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:38, skipping insertion in model container [2023-11-23 21:21:38,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:30" (2/3) ... [2023-11-23 21:21:38,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37562ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:38, skipping insertion in model container [2023-11-23 21:21:38,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:38" (3/3) ... [2023-11-23 21:21:38,947 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-77.i [2023-11-23 21:21:38,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:38,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:39,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:39,044 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;@4a77f602, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:39,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:21:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:21:39,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:39,073 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:39,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:39,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -442543991, now seen corresponding path program 1 times [2023-11-23 21:21:39,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:39,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229347005] [2023-11-23 21:21:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:39,100 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 21:21:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:39,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:39,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:39,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-11-23 21:21:39,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:39,895 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:39,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229347005] [2023-11-23 21:21:39,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229347005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:39,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:39,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:39,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214320742] [2023-11-23 21:21:39,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:39,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:39,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:39,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:39,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:39,940 INFO L87 Difference]: Start difference. First operand has 78 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:21:42,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:42,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:42,125 INFO L93 Difference]: Finished difference Result 153 states and 271 transitions. [2023-11-23 21:21:42,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:42,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 164 [2023-11-23 21:21:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:42,170 INFO L225 Difference]: With dead ends: 153 [2023-11-23 21:21:42,170 INFO L226 Difference]: Without dead ends: 76 [2023-11-23 21:21:42,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 21:21:42,178 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:42,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:21:42,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-23 21:21:42,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-23 21:21:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:21:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 119 transitions. [2023-11-23 21:21:42,232 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 119 transitions. Word has length 164 [2023-11-23 21:21:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:42,233 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 119 transitions. [2023-11-23 21:21:42,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:21:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions. [2023-11-23 21:21:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:21:42,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:42,238 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:42,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:42,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:42,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:42,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:42,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1604647429, now seen corresponding path program 1 times [2023-11-23 21:21:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:42,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113590589] [2023-11-23 21:21:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:42,456 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 21:21:42,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:42,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:42,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:43,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:21:43,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:21:44,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:44,694 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:44,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113590589] [2023-11-23 21:21:44,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113590589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:44,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:44,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:44,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064015313] [2023-11-23 21:21:44,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:44,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:44,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:44,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:44,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:44,700 INFO L87 Difference]: Start difference. First operand 76 states and 119 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:21:46,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:49,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:51,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:53,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:55,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:57,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:57,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:57,250 INFO L93 Difference]: Finished difference Result 226 states and 355 transitions. [2023-11-23 21:21:57,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:21:57,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-23 21:21:57,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:57,256 INFO L225 Difference]: With dead ends: 226 [2023-11-23 21:21:57,256 INFO L226 Difference]: Without dead ends: 151 [2023-11-23 21:21:57,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:57,259 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 36 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:57,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 291 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 5 Unknown, 0 Unchecked, 12.5s Time] [2023-11-23 21:21:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-23 21:21:57,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2023-11-23 21:21:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:21:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 233 transitions. [2023-11-23 21:21:57,304 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 233 transitions. Word has length 164 [2023-11-23 21:21:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:57,306 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 233 transitions. [2023-11-23 21:21:57,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:21:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-11-23 21:21:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:21:57,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:57,311 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:57,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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)] Ended with exit code 0 [2023-11-23 21:21:57,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:57,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:57,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:57,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2046118196, now seen corresponding path program 1 times [2023-11-23 21:21:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:57,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802215690] [2023-11-23 21:21:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:57,529 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 21:21:57,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:57,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:21:57,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 (4)] Waiting until timeout for monitored process [2023-11-23 21:21:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:58,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:21:58,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-23 21:21:59,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:22:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:22:00,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:00,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802215690] [2023-11-23 21:22:00,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802215690] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:22:00,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1138046842] [2023-11-23 21:22:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:00,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:00,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:22:00,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:22:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:22:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:00,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:22:00,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:22:01,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:01,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1138046842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:01,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:22:01,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 10 [2023-11-23 21:22:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302166690] [2023-11-23 21:22:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:01,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:22:01,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:01,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:22:01,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:22:01,045 INFO L87 Difference]: Start difference. First operand 148 states and 233 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:22:03,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:05,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:07,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:09,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:11,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:11,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:11,661 INFO L93 Difference]: Finished difference Result 440 states and 693 transitions. [2023-11-23 21:22:11,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:22:11,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-23 21:22:11,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:11,669 INFO L225 Difference]: With dead ends: 440 [2023-11-23 21:22:11,669 INFO L226 Difference]: Without dead ends: 293 [2023-11-23 21:22:11,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 483 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:22:11,685 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 116 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:11,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 528 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 5 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 21:22:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-23 21:22:11,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 291. [2023-11-23 21:22:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 186 states have (on average 1.3655913978494623) internal successors, (254), 186 states have internal predecessors, (254), 100 states have call successors, (100), 4 states have call predecessors, (100), 4 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-23 21:22:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 454 transitions. [2023-11-23 21:22:11,750 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 454 transitions. Word has length 165 [2023-11-23 21:22:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:11,751 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 454 transitions. [2023-11-23 21:22:11,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:22:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 454 transitions. [2023-11-23 21:22:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:22:11,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:11,756 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:11,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-23 21:22:11,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:12,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:22:12,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:12,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:12,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1988859894, now seen corresponding path program 1 times [2023-11-23 21:22:12,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:12,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547168013] [2023-11-23 21:22:12,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:12,164 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 21:22:12,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:12,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 21:22:12,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:22:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:12,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:22:12,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-23 21:22:14,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:22:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:22:14,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:14,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547168013] [2023-11-23 21:22:14,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547168013] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:22:14,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1399215182] [2023-11-23 21:22:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:14,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:22:14,926 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:22:14,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:22:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:16,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:22:16,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-23 21:22:18,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:22:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:22:18,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1399215182] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:22:18,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916397127] [2023-11-23 21:22:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:18,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:22:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:18,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:22:18,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e28cde4-c985-4d6f-99ec-8c932af94c80/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:22:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:19,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:22:19,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-23 21:22:20,134 INFO L327 TraceCheckSpWp]: Computing backward predicates...