./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 710898c12be450ceaf3ec059dd22affd0a643f08a3f9849d9320be04e811c088 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:44:49,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:44:49,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:44:49,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:44:49,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:44:49,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:44:49,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:44:49,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:44:49,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:44:49,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:44:49,629 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:44:49,629 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:44:49,630 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:44:49,630 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:44:49,630 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:44:49,630 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:44:49,631 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:44:49,631 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:44:49,631 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:44:49,632 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:44:49,632 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:44:49,632 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:44:49,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:44:49,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:44:49,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:44:49,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:44:49,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:44:49,635 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:44:49,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:44:49,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:44:49,635 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:44:49,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:44:49,635 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 710898c12be450ceaf3ec059dd22affd0a643f08a3f9849d9320be04e811c088 [2024-11-14 03:44:50,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:44:50,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:44:50,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:44:50,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:44:50,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:44:50,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i Unable to find full path for "g++" [2024-11-14 03:44:52,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:44:52,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:44:52,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i [2024-11-14 03:44:52,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data/2e470d853/039f6b096d7940088bbe9e720f2634de/FLAG97173c5d3 [2024-11-14 03:44:52,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data/2e470d853/039f6b096d7940088bbe9e720f2634de [2024-11-14 03:44:52,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:44:52,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:44:52,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:44:52,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:44:52,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:44:52,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:52,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52, skipping insertion in model container [2024-11-14 03:44:52,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:52,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:44:52,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i[916,929] [2024-11-14 03:44:52,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:44:52,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:44:52,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i[916,929] [2024-11-14 03:44:52,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:44:52,918 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:44:52,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52 WrapperNode [2024-11-14 03:44:52,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:44:52,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:44:52,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:44:52,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:44:52,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:52,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:52,993 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 523 [2024-11-14 03:44:52,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:44:52,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:44:52,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:44:52,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:44:53,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:44:53,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:44:53,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:44:53,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:44:53,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (1/1) ... [2024-11-14 03:44:53,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:44:53,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:44:53,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:44:53,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:44:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:44:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:44:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:44:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:44:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:44:53,286 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:44:53,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:44:54,232 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-14 03:44:54,234 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:44:55,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:44:55,205 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:44:55,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:44:55 BoogieIcfgContainer [2024-11-14 03:44:55,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:44:55,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:44:55,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:44:55,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:44:55,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:44:52" (1/3) ... [2024-11-14 03:44:55,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189c5dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:44:55, skipping insertion in model container [2024-11-14 03:44:55,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:44:52" (2/3) ... [2024-11-14 03:44:55,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189c5dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:44:55, skipping insertion in model container [2024-11-14 03:44:55,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:44:55" (3/3) ... [2024-11-14 03:44:55,225 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-2.i [2024-11-14 03:44:55,243 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:44:55,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-2.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:44:55,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:44:55,349 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@416e60a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:44:55,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:44:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 03:44:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 03:44:55,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:44:55,368 INFO L215 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:44:55,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:44:55,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:44:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash -230004274, now seen corresponding path program 1 times [2024-11-14 03:44:55,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:44:55,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868419873] [2024-11-14 03:44:55,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:44:55,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:44:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:44:58,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939212464] [2024-11-14 03:44:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:44:58,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:44:58,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:44:58,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:44:58,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:44:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:44:59,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:44:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:44:59,570 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:44:59,572 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:44:59,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:44:59,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:44:59,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:44:59,784 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:44:59,866 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:44:59,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:44:59 BoogieIcfgContainer [2024-11-14 03:44:59,874 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:44:59,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:44:59,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:44:59,875 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:44:59,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:44:55" (3/4) ... [2024-11-14 03:44:59,895 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:44:59,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:44:59,900 INFO L158 Benchmark]: Toolchain (without parser) took 7437.16ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.6MB in the beginning and 314.0MB in the end (delta: -221.3MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2024-11-14 03:44:59,901 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:44:59,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.63ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 77.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:44:59,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.05ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 73.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:44:59,904 INFO L158 Benchmark]: Boogie Preprocessor took 49.41ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:44:59,906 INFO L158 Benchmark]: RCFGBuilder took 2162.29ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.7MB in the beginning and 285.3MB in the end (delta: -214.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-14 03:44:59,907 INFO L158 Benchmark]: TraceAbstraction took 4662.71ms. Allocated memory is still 352.3MB. Free memory was 284.6MB in the beginning and 121.1MB in the end (delta: 163.5MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. [2024-11-14 03:44:59,908 INFO L158 Benchmark]: Witness Printer took 24.20ms. Allocated memory is still 352.3MB. Free memory was 121.1MB in the beginning and 314.0MB in the end (delta: -192.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:44:59,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.63ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 77.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.05ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 73.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.41ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2162.29ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.7MB in the beginning and 285.3MB in the end (delta: -214.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4662.71ms. Allocated memory is still 352.3MB. Free memory was 284.6MB in the beginning and 121.1MB in the end (delta: 163.5MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB. * Witness Printer took 24.20ms. Allocated memory is still 352.3MB. Free memory was 121.1MB in the beginning and 314.0MB in the end (delta: -192.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someUnaryDOUBLEoperation at line 27. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0]); [L26-L28] float float_Array_0[3] = { 9.125, 50.5, -0.6 }; [L29] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L30] float* float_Array_0_arrayfloat_Array_0arrayVar1_Pointer = &(float_Array_0[1]); [L31] float* float_Array_0_arrayfloat_Array_0arrayVar2_Pointer = &(float_Array_0[2]); [L32-L34] unsigned short int unsigned_short_int_Array_0[2][3] = { {8, 32, 200}, {1, 56955, 10} }; [L35] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer = &(unsigned_short_int_Array_0[0][0]); [L36] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer = &(unsigned_short_int_Array_0[1][0]); [L37] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer = &(unsigned_short_int_Array_0[0][1]); [L38] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer = &(unsigned_short_int_Array_0[1][1]); [L39] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer = &(unsigned_short_int_Array_0[0][2]); [L40] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer = &(unsigned_short_int_Array_0[1][2]); [L41] unsigned short int last_1_unsigned_short_int_Array_0_0__0_ = 8; [L42] unsigned short int last_1_unsigned_short_int_Array_0_1__2_ = 10; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L94] EXPR unsigned_short_int_Array_0[0][0] [L94] last_1_unsigned_short_int_Array_0_0__0_ = unsigned_short_int_Array_0[0][0] [L95] EXPR unsigned_short_int_Array_0[1][2] [L95] last_1_unsigned_short_int_Array_0_1__2_ = unsigned_short_int_Array_0[1][2] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L73] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L76] float_Array_0[0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L77] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L77] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L79] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L79] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L80] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L81] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L81] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L82] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L82] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L83] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L84] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L85] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L86] unsigned_short_int_Array_0[1][1] = __VERIFIER_nondet_ushort() [L87] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L87] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L88] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L88] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L89] unsigned_short_int_Array_0[0][2] = __VERIFIER_nondet_ushort() [L90] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L90] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_short_int_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L91] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L106] RET updateVariables() [L107] CALL step() [L46] COND TRUE last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer) [L47] EXPR ((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L47] EXPR ((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L47] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))) [L47] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer) [L47] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))) [L47] (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) = (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))) [L49] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) [L49] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L49] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L49] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer) [L49] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L49] COND FALSE !((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) [L60] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L60] (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) = (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) [L62] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L62] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L62] COND TRUE (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) != (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) [L63] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L63] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L63] COND TRUE (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) [L64] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) [L64] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L64] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))) [L64] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L64] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))) [L64] (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) = (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))) [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR (last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1 [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer) [L98] EXPR ((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L98] EXPR ((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L98] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer) [L98] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))) [L98] EXPR (last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1 [L98] EXPR ((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))))) [L98] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) [L98] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer) [L98] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) [L98] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)))) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L98] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)))) [L98] EXPR ((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))))) [L98] EXPR (((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)))))) && (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) != (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L98] EXPR ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) != (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L98] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L98] EXPR ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) [L98] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar2_Pointer) [L98] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) [L98] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L98] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))) [L98] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) [L98] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))) [L98] EXPR ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) [L98] EXPR ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) != (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) [L98] EXPR (((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)))))) && (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) != (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) [L98-L99] return (((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((unsigned short int) (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) > (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))) : (((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) - (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))))))))) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) || ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) <= (((((0) < ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (0) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer))))) << (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer)) == ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) * (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) 2))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)))))) && (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) != (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) <= (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (((((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) > ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)))) ? ((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer))))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) : ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) == ((float) (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={5:8}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={6:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={6:6}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={6:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={6:8}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer={6:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer={6:10}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 3.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:44:59,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 710898c12be450ceaf3ec059dd22affd0a643f08a3f9849d9320be04e811c088 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:45:02,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:45:02,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:45:02,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:45:02,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:45:02,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:45:02,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:45:02,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:45:02,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:45:03,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:45:03,001 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:45:03,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:45:03,001 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:45:03,002 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:45:03,002 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:45:03,002 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:45:03,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:45:03,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:45:03,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:45:03,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:45:03,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:45:03,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:45:03,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:45:03,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:45:03,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:45:03,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:45:03,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:45:03,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:45:03,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:45:03,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:45:03,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:45:03,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 710898c12be450ceaf3ec059dd22affd0a643f08a3f9849d9320be04e811c088 [2024-11-14 03:45:03,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:45:03,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:45:03,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:45:03,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:45:03,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:45:03,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i Unable to find full path for "g++" [2024-11-14 03:45:05,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:45:05,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:45:05,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i [2024-11-14 03:45:05,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data/eab95639f/b1cabc30ca4e44c4a47be1bbf17605d8/FLAG00b86702d [2024-11-14 03:45:05,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/data/eab95639f/b1cabc30ca4e44c4a47be1bbf17605d8 [2024-11-14 03:45:05,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:45:05,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:45:05,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:45:05,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:45:05,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:45:05,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:45:05" (1/1) ... [2024-11-14 03:45:05,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d242428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:05, skipping insertion in model container [2024-11-14 03:45:05,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:45:05" (1/1) ... [2024-11-14 03:45:05,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:45:06,060 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i[916,929] [2024-11-14 03:45:06,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:45:06,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:45:06,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-2.i[916,929] [2024-11-14 03:45:06,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:45:06,267 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:45:06,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06 WrapperNode [2024-11-14 03:45:06,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:45:06,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:45:06,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:45:06,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:45:06,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,382 INFO L138 Inliner]: procedures = 33, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509 [2024-11-14 03:45:06,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:45:06,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:45:06,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:45:06,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:45:06,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:45:06,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:45:06,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:45:06,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:45:06,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (1/1) ... [2024-11-14 03:45:06,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:45:06,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:45:06,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:45:06,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:45:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:45:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 03:45:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 03:45:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:45:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 03:45:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 03:45:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 03:45:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 03:45:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:45:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:45:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:45:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:45:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 03:45:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 03:45:06,809 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:45:06,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:45:07,706 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-14 03:45:07,706 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:45:07,726 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:45:07,726 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:45:07,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:45:07 BoogieIcfgContainer [2024-11-14 03:45:07,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:45:07,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:45:07,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:45:07,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:45:07,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:45:05" (1/3) ... [2024-11-14 03:45:07,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236ce5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:45:07, skipping insertion in model container [2024-11-14 03:45:07,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:06" (2/3) ... [2024-11-14 03:45:07,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236ce5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:45:07, skipping insertion in model container [2024-11-14 03:45:07,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:45:07" (3/3) ... [2024-11-14 03:45:07,742 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-2.i [2024-11-14 03:45:07,762 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:45:07,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-2.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:45:07,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:45:07,856 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58668407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:45:07,856 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:45:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 85 states have (on average 1.4588235294117646) internal successors, (124), 86 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 03:45:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 03:45:07,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:07,883 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:07,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:07,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:07,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1876558296, now seen corresponding path program 1 times [2024-11-14 03:45:07,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:45:07,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955552226] [2024-11-14 03:45:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:45:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:45:07,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:45:07,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:45:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:08,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:45:08,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-14 03:45:08,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:45:08,476 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:45:08,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955552226] [2024-11-14 03:45:08,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955552226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:45:08,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:45:08,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:45:08,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115745050] [2024-11-14 03:45:08,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:45:08,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:45:08,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:45:08,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:45:08,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:45:08,524 INFO L87 Difference]: Start difference. First operand has 100 states, 85 states have (on average 1.4588235294117646) internal successors, (124), 86 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:45:08,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:45:08,577 INFO L93 Difference]: Finished difference Result 193 states and 302 transitions. [2024-11-14 03:45:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:45:08,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-11-14 03:45:08,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:45:08,590 INFO L225 Difference]: With dead ends: 193 [2024-11-14 03:45:08,590 INFO L226 Difference]: Without dead ends: 96 [2024-11-14 03:45:08,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:45:08,604 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:45:08,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:45:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-14 03:45:08,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-14 03:45:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 03:45:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2024-11-14 03:45:08,676 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 100 [2024-11-14 03:45:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:45:08,678 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2024-11-14 03:45:08,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:45:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2024-11-14 03:45:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 03:45:08,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:08,685 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:08,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:45:08,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:45:08,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:08,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:08,888 INFO L85 PathProgramCache]: Analyzing trace with hash 889777580, now seen corresponding path program 1 times [2024-11-14 03:45:08,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:45:08,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223017009] [2024-11-14 03:45:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:08,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:45:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:45:08,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:45:08,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:45:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:09,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:45:09,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:09,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:45:09,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 17 [2024-11-14 03:45:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:45:10,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:45:10,258 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:45:10,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223017009] [2024-11-14 03:45:10,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223017009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:45:10,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:45:10,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:45:10,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115372465] [2024-11-14 03:45:10,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:45:10,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:45:10,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:45:10,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:45:10,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:45:10,266 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:45:10,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:45:10,824 INFO L93 Difference]: Finished difference Result 283 states and 418 transitions. [2024-11-14 03:45:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:45:10,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2024-11-14 03:45:10,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:45:10,829 INFO L225 Difference]: With dead ends: 283 [2024-11-14 03:45:10,829 INFO L226 Difference]: Without dead ends: 190 [2024-11-14 03:45:10,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:45:10,831 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 91 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:45:10,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 337 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:45:10,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-14 03:45:10,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 158. [2024-11-14 03:45:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:45:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 232 transitions. [2024-11-14 03:45:10,858 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 232 transitions. Word has length 100 [2024-11-14 03:45:10,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:45:10,858 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 232 transitions. [2024-11-14 03:45:10,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:45:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 232 transitions. [2024-11-14 03:45:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-14 03:45:10,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:10,862 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:10,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 03:45:11,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:45:11,063 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:11,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:11,063 INFO L85 PathProgramCache]: Analyzing trace with hash 71278213, now seen corresponding path program 1 times [2024-11-14 03:45:11,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:45:11,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458745191] [2024-11-14 03:45:11,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:11,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:45:11,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:45:11,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:45:11,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:45:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:11,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 03:45:11,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:15,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 03:45:16,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-14 03:45:17,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-14 03:45:18,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-14 03:45:18,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2024-11-14 03:45:18,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2024-11-14 03:45:19,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 30 [2024-11-14 03:45:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 79 proven. 86 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-14 03:45:19,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:45:22,764 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:45:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458745191] [2024-11-14 03:45:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458745191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:45:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [25638647] [2024-11-14 03:45:22,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:22,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:45:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:45:22,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:45:22,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 03:45:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:23,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 03:45:23,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:24,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:45:25,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-11-14 03:45:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:45:25,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:45:25,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [25638647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:45:25,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:45:25,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2024-11-14 03:45:25,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306715497] [2024-11-14 03:45:25,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:45:25,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:45:25,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:45:25,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:45:25,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=463, Unknown=12, NotChecked=0, Total=600 [2024-11-14 03:45:25,372 INFO L87 Difference]: Start difference. First operand 158 states and 232 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:45:26,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:45:26,611 INFO L93 Difference]: Finished difference Result 288 states and 422 transitions. [2024-11-14 03:45:26,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:45:26,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2024-11-14 03:45:26,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:45:26,615 INFO L225 Difference]: With dead ends: 288 [2024-11-14 03:45:26,615 INFO L226 Difference]: Without dead ends: 195 [2024-11-14 03:45:26,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=157, Invalid=587, Unknown=12, NotChecked=0, Total=756 [2024-11-14 03:45:26,617 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 306 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 03:45:26,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 230 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 03:45:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-14 03:45:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-14 03:45:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 136 states have (on average 1.3970588235294117) internal successors, (190), 136 states have internal predecessors, (190), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:45:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 238 transitions. [2024-11-14 03:45:26,651 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 238 transitions. Word has length 106 [2024-11-14 03:45:26,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:45:26,651 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 238 transitions. [2024-11-14 03:45:26,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:45:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 238 transitions. [2024-11-14 03:45:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-14 03:45:26,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:26,654 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:26,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 03:45:26,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-14 03:45:27,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:45:27,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:27,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:27,055 INFO L85 PathProgramCache]: Analyzing trace with hash 772342791, now seen corresponding path program 1 times [2024-11-14 03:45:27,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:45:27,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696441368] [2024-11-14 03:45:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:45:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:45:27,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:45:27,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 03:45:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:27,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 03:45:27,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:29,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:45:30,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:45:31,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-14 03:45:33,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 64 [2024-11-14 03:45:33,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2024-11-14 03:45:33,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:45:33,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 39 [2024-11-14 03:45:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:45:34,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:45:39,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:45:39,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696441368] [2024-11-14 03:45:39,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696441368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:45:39,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [703422668] [2024-11-14 03:45:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:39,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:45:39,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:45:39,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:45:39,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 03:45:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:40,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 03:45:40,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:42,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:45:44,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:45:46,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-14 03:45:48,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2024-11-14 03:45:49,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2024-11-14 03:45:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:45:49,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:45:50,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [703422668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:45:50,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605067194] [2024-11-14 03:45:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:50,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:45:50,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:45:50,299 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:45:50,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 03:45:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:50,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 03:45:50,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:52,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:45:53,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:45:54,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-14 03:45:55,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 64 [2024-11-14 03:45:56,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2024-11-14 03:45:56,323 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:45:56,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 39 [2024-11-14 03:45:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:45:56,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:45:56,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605067194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:45:56,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:45:56,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 33 [2024-11-14 03:45:56,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382893887] [2024-11-14 03:45:56,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:45:56,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-14 03:45:56,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:45:56,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-14 03:45:56,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1347, Unknown=2, NotChecked=0, Total=1560 [2024-11-14 03:45:56,758 INFO L87 Difference]: Start difference. First operand 163 states and 238 transitions. Second operand has 34 states, 30 states have (on average 3.8333333333333335) internal successors, (115), 31 states have internal predecessors, (115), 12 states have call successors, (24), 10 states have call predecessors, (24), 12 states have return successors, (24), 10 states have call predecessors, (24), 12 states have call successors, (24) [2024-11-14 03:46:07,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:10,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:14,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:16,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:22,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:46:27,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:46:27,023 INFO L93 Difference]: Finished difference Result 372 states and 522 transitions. [2024-11-14 03:46:27,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 03:46:27,025 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 3.8333333333333335) internal successors, (115), 31 states have internal predecessors, (115), 12 states have call successors, (24), 10 states have call predecessors, (24), 12 states have return successors, (24), 10 states have call predecessors, (24), 12 states have call successors, (24) Word has length 106 [2024-11-14 03:46:27,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:46:27,028 INFO L225 Difference]: With dead ends: 372 [2024-11-14 03:46:27,028 INFO L226 Difference]: Without dead ends: 274 [2024-11-14 03:46:27,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 340 SyntacticMatches, 13 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=448, Invalid=2306, Unknown=2, NotChecked=0, Total=2756 [2024-11-14 03:46:27,031 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 946 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 165 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:46:27,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 791 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1402 Invalid, 1 Unknown, 0 Unchecked, 27.0s Time] [2024-11-14 03:46:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-14 03:46:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-14 03:46:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 188 states have (on average 1.372340425531915) internal successors, (258), 188 states have internal predecessors, (258), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:46:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 306 transitions. [2024-11-14 03:46:27,082 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 306 transitions. Word has length 106 [2024-11-14 03:46:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:46:27,086 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 306 transitions. [2024-11-14 03:46:27,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 3.8333333333333335) internal successors, (115), 31 states have internal predecessors, (115), 12 states have call successors, (24), 10 states have call predecessors, (24), 12 states have return successors, (24), 10 states have call predecessors, (24), 12 states have call successors, (24) [2024-11-14 03:46:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 306 transitions. [2024-11-14 03:46:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-14 03:46:27,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:46:27,088 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:46:27,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 03:46:27,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-14 03:46:27,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 03:46:27,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:46:27,689 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:46:27,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:46:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1195044617, now seen corresponding path program 1 times [2024-11-14 03:46:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:46:27,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280264831] [2024-11-14 03:46:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:46:27,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:46:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:46:27,692 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:46:27,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 03:46:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:46:28,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 03:46:28,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:46:31,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:46:32,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-11-14 03:46:32,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-11-14 03:46:32,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2024-11-14 03:46:32,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2024-11-14 03:46:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 03:46:32,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:46:33,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:46:33,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280264831] [2024-11-14 03:46:33,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280264831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:46:33,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [805966620] [2024-11-14 03:46:33,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:46:33,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:46:33,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:46:33,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:46:33,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 03:46:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:46:34,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 03:46:34,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:46:37,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:46:38,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-11-14 03:46:38,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2024-11-14 03:46:38,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2024-11-14 03:46:38,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2024-11-14 03:46:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 03:46:38,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:46:39,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [805966620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:46:39,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323412346] [2024-11-14 03:46:39,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:46:39,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:46:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:46:39,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:46:39,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 03:46:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:46:39,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 03:46:39,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:46:42,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-14 03:46:43,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-11-14 03:46:43,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-11-14 03:46:43,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:46:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 03:46:43,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:46:46,239 INFO L349 Elim1Store]: treesize reduction 67, result has 42.2 percent of original size [2024-11-14 03:46:46,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 72 [2024-11-14 03:46:46,289 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-14 03:46:46,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 113 [2024-11-14 03:46:46,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:46:46,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2024-11-14 03:46:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:46:48,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323412346] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 03:46:48,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:46:48,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11, 12] total 28 [2024-11-14 03:46:48,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537877939] [2024-11-14 03:46:48,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:46:48,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:46:48,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:46:48,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:46:48,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=682, Unknown=14, NotChecked=0, Total=812 [2024-11-14 03:46:48,955 INFO L87 Difference]: Start difference. First operand 223 states and 306 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:46:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:46:53,810 INFO L93 Difference]: Finished difference Result 446 states and 627 transitions. [2024-11-14 03:46:53,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 03:46:53,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2024-11-14 03:46:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:46:53,813 INFO L225 Difference]: With dead ends: 446 [2024-11-14 03:46:53,813 INFO L226 Difference]: Without dead ends: 320 [2024-11-14 03:46:53,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 437 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=182, Invalid=1135, Unknown=15, NotChecked=0, Total=1332 [2024-11-14 03:46:53,815 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 379 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:46:53,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 574 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-14 03:46:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-14 03:46:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 287. [2024-11-14 03:46:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 252 states have (on average 1.4126984126984128) internal successors, (356), 252 states have internal predecessors, (356), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:46:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 404 transitions. [2024-11-14 03:46:53,874 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 404 transitions. Word has length 106 [2024-11-14 03:46:53,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:46:53,874 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 404 transitions. [2024-11-14 03:46:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:46:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 404 transitions. [2024-11-14 03:46:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 03:46:53,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:46:53,876 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:46:53,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 03:46:54,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-14 03:46:54,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 03:46:54,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:46:54,477 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:46:54,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:46:54,478 INFO L85 PathProgramCache]: Analyzing trace with hash -806844669, now seen corresponding path program 1 times [2024-11-14 03:46:54,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:46:54,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206162352] [2024-11-14 03:46:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:46:54,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:46:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:46:54,480 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:46:54,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-14 03:46:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:46:54,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:46:54,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:46:54,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:46:54,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 62 [2024-11-14 03:46:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:46:55,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:46:55,209 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:46:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206162352] [2024-11-14 03:46:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206162352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:46:55,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:46:55,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:46:55,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615393036] [2024-11-14 03:46:55,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:46:55,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:46:55,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:46:55,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:46:55,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:46:55,210 INFO L87 Difference]: Start difference. First operand 287 states and 404 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:46:59,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:02,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:04,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:47:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:47:04,896 INFO L93 Difference]: Finished difference Result 484 states and 684 transitions. [2024-11-14 03:47:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:47:04,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-14 03:47:04,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:47:04,901 INFO L225 Difference]: With dead ends: 484 [2024-11-14 03:47:04,901 INFO L226 Difference]: Without dead ends: 323 [2024-11-14 03:47:04,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:47:04,902 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 43 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:47:04,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 369 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-11-14 03:47:04,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-14 03:47:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2024-11-14 03:47:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 255 states have (on average 1.415686274509804) internal successors, (361), 255 states have internal predecessors, (361), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:47:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 409 transitions. [2024-11-14 03:47:04,943 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 409 transitions. Word has length 108 [2024-11-14 03:47:04,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:47:04,944 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 409 transitions. [2024-11-14 03:47:04,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:47:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 409 transitions. [2024-11-14 03:47:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 03:47:04,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:47:04,945 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:47:04,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-14 03:47:05,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:47:05,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:47:05,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:47:05,146 INFO L85 PathProgramCache]: Analyzing trace with hash -105780091, now seen corresponding path program 1 times [2024-11-14 03:47:05,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:47:05,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103347495] [2024-11-14 03:47:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:47:05,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:47:05,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:47:05,149 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:47:05,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-14 03:47:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:47:05,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-14 03:47:05,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:47:08,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:47:10,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:47:11,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:47:13,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 03:47:15,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-11-14 03:47:15,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-14 03:47:16,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2024-11-14 03:47:16,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2024-11-14 03:47:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 64 proven. 80 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-14 03:47:16,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:47:17,017 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_295 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_295))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:47:17,050 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_293 (_ BitVec 32)) (v_ArrVal_295 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_293)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_295))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:47:18,282 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:47:18,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103347495] [2024-11-14 03:47:18,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103347495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:47:18,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1164062645] [2024-11-14 03:47:18,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:47:18,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:47:18,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:47:18,287 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:47:18,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-14 03:47:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:47:19,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-14 03:47:19,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:47:24,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:47:26,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 03:47:29,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:47:33,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2024-11-14 03:47:39,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2024-11-14 03:47:40,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2024-11-14 03:47:41,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 60 [2024-11-14 03:47:42,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 48 [2024-11-14 03:47:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 165 proven. 56 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-14 03:47:43,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:47:48,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1164062645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:47:48,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444699103] [2024-11-14 03:47:48,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:47:48,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:47:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:47:48,190 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:47:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 03:47:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:47:48,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-14 03:47:48,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:47:55,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-14 03:47:56,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-14 03:47:56,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-14 03:47:57,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2024-11-14 03:47:57,545 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:47:57,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:47:57,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444699103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:47:57,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:47:57,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12, 27] total 46 [2024-11-14 03:47:57,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949311258] [2024-11-14 03:47:57,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:47:57,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:47:57,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:47:57,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:47:57,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=3406, Unknown=29, NotChecked=246, Total=4160 [2024-11-14 03:47:57,548 INFO L87 Difference]: Start difference. First operand 290 states and 409 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:48:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:48:02,860 INFO L93 Difference]: Finished difference Result 501 states and 711 transitions. [2024-11-14 03:48:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:48:02,861 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-14 03:48:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:48:02,863 INFO L225 Difference]: With dead ends: 501 [2024-11-14 03:48:02,863 INFO L226 Difference]: Without dead ends: 337 [2024-11-14 03:48:02,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1838 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=551, Invalid=3718, Unknown=29, NotChecked=258, Total=4556 [2024-11-14 03:48:02,865 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 223 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:48:02,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 575 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-14 03:48:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-14 03:48:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 302. [2024-11-14 03:48:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 267 states have (on average 1.4194756554307115) internal successors, (379), 267 states have internal predecessors, (379), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:48:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 427 transitions. [2024-11-14 03:48:02,917 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 427 transitions. Word has length 108 [2024-11-14 03:48:02,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:48:02,918 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 427 transitions. [2024-11-14 03:48:02,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:48:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 427 transitions. [2024-11-14 03:48:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 03:48:02,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:02,920 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:48:02,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-14 03:48:03,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-14 03:48:03,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-14 03:48:03,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:48:03,521 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:03,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash 888419875, now seen corresponding path program 1 times [2024-11-14 03:48:03,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:48:03,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940898017] [2024-11-14 03:48:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:03,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:48:03,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:48:03,523 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:48:03,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-14 03:48:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:03,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 03:48:03,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:48:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:48:04,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:48:04,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:48:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940898017] [2024-11-14 03:48:04,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940898017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:48:04,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:48:04,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:48:04,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881074998] [2024-11-14 03:48:04,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:48:04,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:48:04,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:48:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:48:04,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:48:04,017 INFO L87 Difference]: Start difference. First operand 302 states and 427 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:48:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:48:05,347 INFO L93 Difference]: Finished difference Result 492 states and 701 transitions. [2024-11-14 03:48:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:48:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-14 03:48:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:48:05,350 INFO L225 Difference]: With dead ends: 492 [2024-11-14 03:48:05,350 INFO L226 Difference]: Without dead ends: 302 [2024-11-14 03:48:05,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:48:05,351 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 4 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:48:05,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 345 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 03:48:05,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-14 03:48:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-14 03:48:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 267 states have (on average 1.4119850187265917) internal successors, (377), 267 states have internal predecessors, (377), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:48:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 425 transitions. [2024-11-14 03:48:05,403 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 425 transitions. Word has length 108 [2024-11-14 03:48:05,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:48:05,404 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 425 transitions. [2024-11-14 03:48:05,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:48:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 425 transitions. [2024-11-14 03:48:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-14 03:48:05,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:05,405 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:48:05,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-14 03:48:05,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:48:05,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:05,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1311121701, now seen corresponding path program 1 times [2024-11-14 03:48:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:48:05,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671899693] [2024-11-14 03:48:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:05,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:48:05,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:48:05,612 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:48:05,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-14 03:48:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:05,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 03:48:05,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:48:08,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:48:10,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:48:11,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:48:12,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:48:13,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:48:14,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-14 03:48:14,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-14 03:48:14,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2024-11-14 03:48:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 03:48:15,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:48:16,726 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:48:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671899693] [2024-11-14 03:48:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671899693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:48:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1905514193] [2024-11-14 03:48:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:16,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:48:16,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:48:16,728 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:48:16,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-14 03:48:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:17,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-14 03:48:17,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:48:22,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:48:24,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:48:27,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-14 03:48:31,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-14 03:48:38,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2024-11-14 03:48:39,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 80 [2024-11-14 03:48:40,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 81 [2024-11-14 03:48:41,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 61 [2024-11-14 03:48:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 143 proven. 56 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:48:42,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:48:47,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1905514193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:48:47,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824070859] [2024-11-14 03:48:47,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:47,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:48:47,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:48:47,685 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:48:47,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-14 03:48:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:47,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-14 03:48:47,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:48:54,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-14 03:48:54,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-14 03:48:54,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-14 03:48:54,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2024-11-14 03:48:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:48:55,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:48:55,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824070859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:48:55,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:48:55,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11, 27] total 37 [2024-11-14 03:48:55,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144422043] [2024-11-14 03:48:55,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:48:55,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:48:55,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:48:55,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:48:55,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=2677, Unknown=26, NotChecked=0, Total=3080 [2024-11-14 03:48:55,096 INFO L87 Difference]: Start difference. First operand 302 states and 425 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:49:00,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:00,427 INFO L93 Difference]: Finished difference Result 533 states and 758 transitions. [2024-11-14 03:49:00,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:49:00,428 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-14 03:49:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:00,430 INFO L225 Difference]: With dead ends: 533 [2024-11-14 03:49:00,430 INFO L226 Difference]: Without dead ends: 362 [2024-11-14 03:49:00,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 318 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1422 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=455, Invalid=2941, Unknown=26, NotChecked=0, Total=3422 [2024-11-14 03:49:00,432 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 218 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:00,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 594 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-14 03:49:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-14 03:49:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 327. [2024-11-14 03:49:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 292 states have (on average 1.4246575342465753) internal successors, (416), 292 states have internal predecessors, (416), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:49:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 464 transitions. [2024-11-14 03:49:00,473 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 464 transitions. Word has length 108 [2024-11-14 03:49:00,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:00,474 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 464 transitions. [2024-11-14 03:49:00,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:49:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 464 transitions. [2024-11-14 03:49:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 03:49:00,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:00,476 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:00,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-14 03:49:00,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-14 03:49:00,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-14 03:49:01,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:49:01,077 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:01,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1422939166, now seen corresponding path program 1 times [2024-11-14 03:49:01,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:01,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951492157] [2024-11-14 03:49:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:01,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:49:01,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:01,080 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:49:01,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-14 03:49:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:01,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 03:49:01,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:04,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 03:49:06,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 03:49:07,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-14 03:49:09,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2024-11-14 03:49:09,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2024-11-14 03:49:09,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:49:09,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 29 [2024-11-14 03:49:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 86 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-14 03:49:09,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:49:10,768 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:10,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951492157] [2024-11-14 03:49:10,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951492157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:49:10,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1479254072] [2024-11-14 03:49:10,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:10,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:49:10,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:49:10,770 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:49:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-14 03:49:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:11,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 03:49:11,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:15,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:49:17,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-14 03:49:20,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-14 03:49:22,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-14 03:49:23,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2024-11-14 03:49:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 86 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-14 03:49:23,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:49:24,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1479254072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:49:24,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580187577] [2024-11-14 03:49:24,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:24,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:49:24,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:49:24,008 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:49:24,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-14 03:49:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:24,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 03:49:24,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:27,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:49:30,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:49:32,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-14 03:49:34,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2024-11-14 03:49:35,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2024-11-14 03:49:35,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:49:35,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 32 [2024-11-14 03:49:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:49:35,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:49:36,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580187577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:49:36,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:49:36,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 40 [2024-11-14 03:49:36,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405173027] [2024-11-14 03:49:36,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:49:36,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-14 03:49:36,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:36,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-14 03:49:36,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1765, Unknown=0, NotChecked=0, Total=1980 [2024-11-14 03:49:36,004 INFO L87 Difference]: Start difference. First operand 327 states and 464 transitions. Second operand has 41 states, 35 states have (on average 4.142857142857143) internal successors, (145), 36 states have internal predecessors, (145), 15 states have call successors, (30), 12 states have call predecessors, (30), 15 states have return successors, (30), 12 states have call predecessors, (30), 15 states have call successors, (30) [2024-11-14 03:49:37,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:51,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:49:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:51,722 INFO L93 Difference]: Finished difference Result 691 states and 978 transitions. [2024-11-14 03:49:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 03:49:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 35 states have (on average 4.142857142857143) internal successors, (145), 36 states have internal predecessors, (145), 15 states have call successors, (30), 12 states have call predecessors, (30), 15 states have return successors, (30), 12 states have call predecessors, (30), 15 states have call successors, (30) Word has length 109 [2024-11-14 03:49:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:51,726 INFO L225 Difference]: With dead ends: 691 [2024-11-14 03:49:51,726 INFO L226 Difference]: Without dead ends: 492 [2024-11-14 03:49:51,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=647, Invalid=3775, Unknown=0, NotChecked=0, Total=4422 [2024-11-14 03:49:51,728 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 1185 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:51,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 824 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2024-11-14 03:49:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-14 03:49:51,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 351. [2024-11-14 03:49:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 316 states have (on average 1.4050632911392404) internal successors, (444), 316 states have internal predecessors, (444), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:49:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 492 transitions. [2024-11-14 03:49:51,776 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 492 transitions. Word has length 109 [2024-11-14 03:49:51,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:51,777 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 492 transitions. [2024-11-14 03:49:51,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 35 states have (on average 4.142857142857143) internal successors, (145), 36 states have internal predecessors, (145), 15 states have call successors, (30), 12 states have call predecessors, (30), 15 states have return successors, (30), 12 states have call predecessors, (30), 15 states have call successors, (30) [2024-11-14 03:49:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 492 transitions. [2024-11-14 03:49:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 03:49:51,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:51,779 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:51,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-14 03:49:51,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-14 03:49:52,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-14 03:49:52,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:49:52,380 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:52,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:52,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2085860315, now seen corresponding path program 1 times [2024-11-14 03:49:52,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:52,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853548817] [2024-11-14 03:49:52,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:52,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:49:52,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:52,385 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:49:52,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-14 03:49:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:52,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:49:52,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:49:52,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:49:52,675 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:49:52,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853548817] [2024-11-14 03:49:52,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853548817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:49:52,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:49:52,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:49:52,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032652300] [2024-11-14 03:49:52,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:49:52,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:49:52,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:49:52,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:49:52,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:52,678 INFO L87 Difference]: Start difference. First operand 351 states and 492 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:49:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:49:52,770 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2024-11-14 03:49:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:49:52,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-14 03:49:52,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:49:52,774 INFO L225 Difference]: With dead ends: 555 [2024-11-14 03:49:52,774 INFO L226 Difference]: Without dead ends: 352 [2024-11-14 03:49:52,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:49:52,775 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:49:52,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:49:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-14 03:49:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-14 03:49:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 317 states have (on average 1.4037854889589905) internal successors, (445), 317 states have internal predecessors, (445), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:49:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 493 transitions. [2024-11-14 03:49:52,834 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 493 transitions. Word has length 109 [2024-11-14 03:49:52,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:49:52,835 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 493 transitions. [2024-11-14 03:49:52,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:49:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 493 transitions. [2024-11-14 03:49:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 03:49:52,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:49:52,839 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:49:52,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-14 03:49:53,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:49:53,039 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:49:53,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:49:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1405801945, now seen corresponding path program 1 times [2024-11-14 03:49:53,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:49:53,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194010191] [2024-11-14 03:49:53,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:49:53,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:49:53,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:49:53,043 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:49:53,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-14 03:49:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:49:53,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-14 03:49:53,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:49:57,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 03:49:59,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 03:50:00,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 03:50:02,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-14 03:50:02,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2024-11-14 03:50:02,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 40 [2024-11-14 03:50:03,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 47 [2024-11-14 03:50:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 79 proven. 86 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-14 03:50:03,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:50:05,852 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:50:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194010191] [2024-11-14 03:50:05,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194010191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:50:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1432627071] [2024-11-14 03:50:05,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:05,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:50:05,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:50:05,857 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:50:05,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-14 03:50:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:06,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 03:50:06,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:11,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:50:13,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:50:16,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-14 03:50:19,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-14 03:50:20,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2024-11-14 03:50:21,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 52 [2024-11-14 03:50:22,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2024-11-14 03:50:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:50:22,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:50:23,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1432627071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:50:23,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942681583] [2024-11-14 03:50:23,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:50:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:50:23,148 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:50:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-14 03:50:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:23,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-14 03:50:23,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:27,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:50:29,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 03:50:31,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-14 03:50:33,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2024-11-14 03:50:34,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2024-11-14 03:50:35,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 53 [2024-11-14 03:50:36,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 56 [2024-11-14 03:50:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 77 proven. 107 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-14 03:50:36,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:50:36,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942681583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:50:36,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:50:36,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 18] total 37 [2024-11-14 03:50:36,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414214714] [2024-11-14 03:50:36,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:50:36,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-14 03:50:36,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:50:36,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-14 03:50:36,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1638, Unknown=5, NotChecked=0, Total=1892 [2024-11-14 03:50:36,980 INFO L87 Difference]: Start difference. First operand 352 states and 493 transitions. Second operand has 38 states, 34 states have (on average 3.9705882352941178) internal successors, (135), 36 states have internal predecessors, (135), 12 states have call successors, (22), 9 states have call predecessors, (22), 12 states have return successors, (23), 9 states have call predecessors, (23), 12 states have call successors, (23) [2024-11-14 03:50:38,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:54,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:50:54,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:50:54,215 INFO L93 Difference]: Finished difference Result 742 states and 1036 transitions. [2024-11-14 03:50:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-14 03:50:54,217 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 34 states have (on average 3.9705882352941178) internal successors, (135), 36 states have internal predecessors, (135), 12 states have call successors, (22), 9 states have call predecessors, (22), 12 states have return successors, (23), 9 states have call predecessors, (23), 12 states have call successors, (23) Word has length 109 [2024-11-14 03:50:54,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:50:54,219 INFO L225 Difference]: With dead ends: 742 [2024-11-14 03:50:54,219 INFO L226 Difference]: Without dead ends: 538 [2024-11-14 03:50:54,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 363 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=670, Invalid=3357, Unknown=5, NotChecked=0, Total=4032 [2024-11-14 03:50:54,221 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1968 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:50:54,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 902 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2024-11-14 03:50:54,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-14 03:50:54,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 418. [2024-11-14 03:50:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 383 states have (on average 1.402088772845953) internal successors, (537), 383 states have internal predecessors, (537), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:50:54,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 585 transitions. [2024-11-14 03:50:54,283 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 585 transitions. Word has length 109 [2024-11-14 03:50:54,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:50:54,284 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 585 transitions. [2024-11-14 03:50:54,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 34 states have (on average 3.9705882352941178) internal successors, (135), 36 states have internal predecessors, (135), 12 states have call successors, (22), 9 states have call predecessors, (22), 12 states have return successors, (23), 9 states have call predecessors, (23), 12 states have call successors, (23) [2024-11-14 03:50:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 585 transitions. [2024-11-14 03:50:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-14 03:50:54,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:50:54,286 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:50:54,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-14 03:50:54,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-14 03:50:54,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-14 03:50:54,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:50:54,886 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:50:54,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:50:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -224852063, now seen corresponding path program 1 times [2024-11-14 03:50:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:50:54,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660851424] [2024-11-14 03:50:54,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:50:54,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:50:54,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:50:54,889 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:50:54,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-14 03:50:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:50:55,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 03:50:55,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:50:57,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:50:58,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:50:59,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 03:51:00,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 03:51:02,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2024-11-14 03:51:02,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2024-11-14 03:51:02,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-14 03:51:03,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2024-11-14 03:51:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 96 proven. 80 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-14 03:51:03,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:51:05,527 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:51:05,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660851424] [2024-11-14 03:51:05,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660851424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:05,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [877499339] [2024-11-14 03:51:05,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:05,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:51:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:51:05,529 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:51:05,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-14 03:51:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:06,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 03:51:06,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:51:08,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:51:10,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 03:51:11,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:51:12,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-14 03:51:14,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2024-11-14 03:51:15,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2024-11-14 03:51:15,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2024-11-14 03:51:16,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-11-14 03:51:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 80 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-14 03:51:16,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:51:17,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [877499339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:17,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394777781] [2024-11-14 03:51:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:17,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:17,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:17,093 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:51:17,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-14 03:51:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:17,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 03:51:17,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:51:22,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-14 03:51:23,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-11-14 03:51:23,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-11-14 03:51:24,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:51:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 03:51:24,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:51:30,207 INFO L349 Elim1Store]: treesize reduction 67, result has 42.2 percent of original size [2024-11-14 03:51:30,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 72 [2024-11-14 03:51:30,289 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-14 03:51:30,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 113 [2024-11-14 03:51:30,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:51:30,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2024-11-14 03:51:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 03:51:34,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394777781] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:34,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:51:34,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 15, 14] total 43 [2024-11-14 03:51:34,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396504112] [2024-11-14 03:51:34,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:51:34,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 03:51:34,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:51:34,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 03:51:34,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1738, Unknown=29, NotChecked=0, Total=1980 [2024-11-14 03:51:34,199 INFO L87 Difference]: Start difference. First operand 418 states and 585 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:51:48,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:51:48,399 INFO L93 Difference]: Finished difference Result 782 states and 1103 transitions. [2024-11-14 03:51:48,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 03:51:48,400 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-14 03:51:48,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:51:48,402 INFO L225 Difference]: With dead ends: 782 [2024-11-14 03:51:48,402 INFO L226 Difference]: Without dead ends: 532 [2024-11-14 03:51:48,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 445 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=306, Invalid=2634, Unknown=30, NotChecked=0, Total=2970 [2024-11-14 03:51:48,404 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 311 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:51:48,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 922 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1200 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2024-11-14 03:51:48,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-14 03:51:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 478. [2024-11-14 03:51:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 443 states have (on average 1.4108352144469527) internal successors, (625), 443 states have internal predecessors, (625), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:51:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 673 transitions. [2024-11-14 03:51:48,458 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 673 transitions. Word has length 110 [2024-11-14 03:51:48,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:51:48,458 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 673 transitions. [2024-11-14 03:51:48,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-14 03:51:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 673 transitions. [2024-11-14 03:51:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 03:51:48,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:51:48,459 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:51:48,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-14 03:51:48,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-14 03:51:48,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-14 03:51:49,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:49,060 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:51:49,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:51:49,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2064315769, now seen corresponding path program 1 times [2024-11-14 03:51:49,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:51:49,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207830527] [2024-11-14 03:51:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:49,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:51:49,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:51:49,063 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:51:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-14 03:51:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:49,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-14 03:51:49,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:51:54,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:51:56,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-14 03:51:59,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-14 03:52:02,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 63 [2024-11-14 03:52:03,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2024-11-14 03:52:03,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 57 [2024-11-14 03:52:04,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 65 [2024-11-14 03:52:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 86 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-14 03:52:04,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:52:13,589 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:52:13,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207830527] [2024-11-14 03:52:13,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207830527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:52:13,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1529493497] [2024-11-14 03:52:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:13,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:52:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:52:13,596 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:52:13,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-14 03:52:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:14,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-14 03:52:14,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:52:19,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:52:21,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-14 03:52:24,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-14 03:52:27,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 68 [2024-11-14 03:52:28,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 71 [2024-11-14 03:52:29,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 66 [2024-11-14 03:52:30,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 57 [2024-11-14 03:52:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 86 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-14 03:52:32,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:52:33,986 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_788 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_788))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))))))) is different from false [2024-11-14 03:52:34,056 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_786 (_ BitVec 32)) (v_ArrVal_788 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_786)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_788))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))))))) is different from false [2024-11-14 03:52:34,123 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (v_ArrVal_786 (_ BitVec 32)) (v_ArrVal_788 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_786))) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_788))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))))))) is different from false [2024-11-14 03:52:37,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1529493497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:52:37,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77772986] [2024-11-14 03:52:37,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:37,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:52:37,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:52:37,113 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:52:37,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-14 03:52:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:52:37,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-14 03:52:37,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:52:42,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:52:46,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-14 03:52:50,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-11-14 03:52:54,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2024-11-14 03:52:55,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2024-11-14 03:52:57,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2024-11-14 03:52:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:52:59,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:52:59,789 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_816 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_816))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))))))) is different from false [2024-11-14 03:52:59,868 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_814 (_ BitVec 32)) (v_ArrVal_816 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_814)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_816))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))))))) is different from false [2024-11-14 03:52:59,934 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (v_ArrVal_814 (_ BitVec 32)) (v_ArrVal_816 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_814))) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_816))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))))))) is different from false [2024-11-14 03:53:05,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77772986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:53:05,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:53:05,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 21] total 52 [2024-11-14 03:53:05,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713838690] [2024-11-14 03:53:05,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:53:05,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-14 03:53:05,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:53:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-14 03:53:05,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=4201, Unknown=41, NotChecked=834, Total=5550 [2024-11-14 03:53:05,214 INFO L87 Difference]: Start difference. First operand 478 states and 673 transitions. Second operand has 53 states, 48 states have (on average 2.8333333333333335) internal successors, (136), 48 states have internal predecessors, (136), 13 states have call successors, (22), 11 states have call predecessors, (22), 13 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) [2024-11-14 03:53:25,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:28,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:30,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:32,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:33,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:35,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:37,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:41,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:45,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:46,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:49,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:50,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:55,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:53:57,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:00,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:02,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:04,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:07,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:11,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:13,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:15,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:28,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:54:28,547 INFO L93 Difference]: Finished difference Result 826 states and 1166 transitions. [2024-11-14 03:54:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-14 03:54:28,548 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 48 states have (on average 2.8333333333333335) internal successors, (136), 48 states have internal predecessors, (136), 13 states have call successors, (22), 11 states have call predecessors, (22), 13 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) Word has length 111 [2024-11-14 03:54:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:54:28,550 INFO L225 Difference]: With dead ends: 826 [2024-11-14 03:54:28,550 INFO L226 Difference]: Without dead ends: 540 [2024-11-14 03:54:28,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 349 SyntacticMatches, 3 SemanticMatches, 91 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 2923 ImplicationChecksByTransitivity, 48.4s TimeCoverageRelationStatistics Valid=956, Invalid=6508, Unknown=42, NotChecked=1050, Total=8556 [2024-11-14 03:54:28,552 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 1165 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 3236 mSolverCounterSat, 162 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 3412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3236 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.7s IncrementalHoareTripleChecker+Time [2024-11-14 03:54:28,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 1597 Invalid, 3412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 3236 Invalid, 14 Unknown, 0 Unchecked, 71.7s Time] [2024-11-14 03:54:28,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-14 03:54:28,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 478. [2024-11-14 03:54:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 443 states have (on average 1.4108352144469527) internal successors, (625), 443 states have internal predecessors, (625), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:54:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 673 transitions. [2024-11-14 03:54:28,626 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 673 transitions. Word has length 111 [2024-11-14 03:54:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:54:28,628 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 673 transitions. [2024-11-14 03:54:28,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 48 states have (on average 2.8333333333333335) internal successors, (136), 48 states have internal predecessors, (136), 13 states have call successors, (22), 11 states have call predecessors, (22), 13 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) [2024-11-14 03:54:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 673 transitions. [2024-11-14 03:54:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 03:54:28,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:54:28,631 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:54:28,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-14 03:54:28,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-14 03:54:29,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-11-14 03:54:29,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:54:29,232 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:54:29,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:54:29,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1950057205, now seen corresponding path program 1 times [2024-11-14 03:54:29,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:54:29,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863534338] [2024-11-14 03:54:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:54:29,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:54:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:54:29,235 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:54:29,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-14 03:54:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:54:29,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-14 03:54:29,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:54:33,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:54:35,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 03:54:36,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-14 03:54:38,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-11-14 03:54:41,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2024-11-14 03:54:42,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 83 [2024-11-14 03:54:43,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2024-11-14 03:54:44,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 34 [2024-11-14 03:54:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 80 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-14 03:54:44,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:54:44,933 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_844 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_844))) (bvsgt (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:54:45,000 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_842 (_ BitVec 32)) (v_ArrVal_844 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_842)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_844))) (bvsgt (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:54:45,069 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (v_ArrVal_842 (_ BitVec 32)) (v_ArrVal_844 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_842))) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_844))) (bvsgt (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:54:45,125 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_step_#t~mem11#1| (_ BitVec 16))) (not (bvsgt ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem11#1|) |c_ULTIMATE.start_step_#t~ite10#1|))) (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (v_ArrVal_842 (_ BitVec 32)) (v_ArrVal_844 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_842))) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_844))) (bvsgt (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset))))))) is different from false [2024-11-14 03:54:45,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:54:45,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863534338] [2024-11-14 03:54:45,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863534338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:54:45,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1177165701] [2024-11-14 03:54:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:54:45,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:54:45,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:54:45,978 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:54:45,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-14 03:54:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:54:47,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-14 03:54:47,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:54:50,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:54:52,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:54:54,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-14 03:54:57,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-14 03:55:01,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2024-11-14 03:55:01,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2024-11-14 03:55:02,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 49 [2024-11-14 03:55:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 86 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-14 03:55:04,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:55:04,616 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_874 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_874))) (bvsgt (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:55:04,682 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_874 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_873 (_ BitVec 32))) (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_873)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_874))) (bvsgt (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:55:04,749 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (v_ArrVal_874 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_873 (_ BitVec 32))) (let ((.cse0 (store (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_873))) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_874))) (bvsgt (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:55:06,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1177165701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:55:06,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266908337] [2024-11-14 03:55:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:55:06,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:55:06,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:55:06,160 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:55:06,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-14 03:55:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:55:06,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-14 03:55:06,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:55:11,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:55:14,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 03:55:18,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-14 03:55:21,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2024-11-14 03:55:22,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 55 [2024-11-14 03:55:23,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 44 [2024-11-14 03:55:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:55:25,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:55:25,180 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_903 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_903))) (bvsgt (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:55:25,247 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_902 (_ BitVec 32)) (v_ArrVal_903 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_902)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_903))) (bvsgt (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-14 03:55:31,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266908337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:55:31,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:55:31,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 18] total 45 [2024-11-14 03:55:31,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112570174] [2024-11-14 03:55:31,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:55:31,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-14 03:55:31,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:55:31,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-14 03:55:31,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=2523, Unknown=52, NotChecked=1008, Total=3906 [2024-11-14 03:55:31,688 INFO L87 Difference]: Start difference. First operand 478 states and 673 transitions. Second operand has 46 states, 42 states have (on average 3.4047619047619047) internal successors, (143), 42 states have internal predecessors, (143), 14 states have call successors, (26), 12 states have call predecessors, (26), 14 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) [2024-11-14 03:55:34,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:36,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:37,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:39,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:41,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:42,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:44,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:45,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:47,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:49,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:50,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:52,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:53,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:55,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:57,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:57,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:56:57,609 INFO L93 Difference]: Finished difference Result 879 states and 1233 transitions. [2024-11-14 03:56:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-14 03:56:57,611 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 42 states have (on average 3.4047619047619047) internal successors, (143), 42 states have internal predecessors, (143), 14 states have call successors, (26), 12 states have call predecessors, (26), 14 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) Word has length 111 [2024-11-14 03:56:57,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:56:57,613 INFO L225 Difference]: With dead ends: 879 [2024-11-14 03:56:57,613 INFO L226 Difference]: Without dead ends: 593 [2024-11-14 03:56:57,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 357 SyntacticMatches, 3 SemanticMatches, 89 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2069 ImplicationChecksByTransitivity, 37.1s TimeCoverageRelationStatistics Valid=938, Invalid=5677, Unknown=63, NotChecked=1512, Total=8190 [2024-11-14 03:56:57,618 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 1761 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 3181 mSolverCounterSat, 272 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 3462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 3181 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:56:57,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 1713 Invalid, 3462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 3181 Invalid, 9 Unknown, 0 Unchecked, 72.0s Time] [2024-11-14 03:56:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-14 03:56:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 486. [2024-11-14 03:56:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 449 states have (on average 1.3897550111358574) internal successors, (624), 449 states have internal predecessors, (624), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:56:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 672 transitions. [2024-11-14 03:56:57,700 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 672 transitions. Word has length 111 [2024-11-14 03:56:57,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:56:57,701 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 672 transitions. [2024-11-14 03:56:57,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 42 states have (on average 3.4047619047619047) internal successors, (143), 42 states have internal predecessors, (143), 14 states have call successors, (26), 12 states have call predecessors, (26), 14 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) [2024-11-14 03:56:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 672 transitions. [2024-11-14 03:56:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 03:56:57,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:56:57,703 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:56:57,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-14 03:56:57,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-14 03:56:58,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-14 03:56:58,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:56:58,304 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:56:58,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:56:58,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1176774067, now seen corresponding path program 1 times [2024-11-14 03:56:58,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:56:58,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455320575] [2024-11-14 03:56:58,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:58,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:56:58,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:56:58,310 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:56:58,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-14 03:56:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:56:58,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-14 03:56:58,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:57:04,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:57:05,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:57:06,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 03:57:09,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2024-11-14 03:57:10,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2024-11-14 03:57:10,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 53 [2024-11-14 03:57:11,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 48 [2024-11-14 03:57:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 64 proven. 80 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-14 03:57:11,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:57:11,736 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_932 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_932))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset)))))))) is different from false [2024-11-14 03:57:11,803 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_930 (_ BitVec 32)) (v_ArrVal_932 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_930)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_932))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))))))) is different from false [2024-11-14 03:57:11,875 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (v_ArrVal_930 (_ BitVec 32)) (v_ArrVal_932 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_930))) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_932))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))))))) is different from false [2024-11-14 03:57:12,885 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:57:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455320575] [2024-11-14 03:57:12,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455320575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:57:12,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [521167675] [2024-11-14 03:57:12,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:57:12,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:57:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:57:12,887 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:57:12,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-14 03:57:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:57:14,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-14 03:57:14,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:57:19,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 03:57:21,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-14 03:57:25,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-14 03:57:30,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2024-11-14 03:57:31,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 71 [2024-11-14 03:57:32,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 64 [2024-11-14 03:57:33,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 68 [2024-11-14 03:57:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 86 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-14 03:57:36,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:57:50,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [521167675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:57:50,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930983223] [2024-11-14 03:57:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:57:50,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:57:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:57:50,783 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:57:50,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-14 03:57:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:57:51,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-14 03:57:51,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:57:56,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:57:59,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-14 03:58:03,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-14 03:58:07,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 62 [2024-11-14 03:58:08,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2024-11-14 03:58:10,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2024-11-14 03:58:11,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 48 [2024-11-14 03:58:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 86 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-14 03:58:14,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:58:15,204 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_985 (_ BitVec 32)) (v_ArrVal_987 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (store (select |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset v_ArrVal_985)) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base v_ArrVal_987))) (bvsgt ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var4_Pointer~0.offset))) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset))) (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))))))))) is different from false [2024-11-14 03:58:21,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930983223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:58:21,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:58:21,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 22, 20] total 50 [2024-11-14 03:58:21,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514282532] [2024-11-14 03:58:21,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:58:21,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-14 03:58:21,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:58:21,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-14 03:58:21,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=4215, Unknown=97, NotChecked=556, Total=5402 [2024-11-14 03:58:21,311 INFO L87 Difference]: Start difference. First operand 486 states and 672 transitions. Second operand has 51 states, 47 states have (on average 2.9361702127659575) internal successors, (138), 46 states have internal predecessors, (138), 12 states have call successors, (23), 10 states have call predecessors, (23), 12 states have return successors, (23), 10 states have call predecessors, (23), 12 states have call successors, (23) [2024-11-14 03:58:23,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:58:24,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:59:00,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:00,136 INFO L93 Difference]: Finished difference Result 855 states and 1181 transitions. [2024-11-14 03:59:00,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-14 03:59:00,137 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 47 states have (on average 2.9361702127659575) internal successors, (138), 46 states have internal predecessors, (138), 12 states have call successors, (23), 10 states have call predecessors, (23), 12 states have return successors, (23), 10 states have call predecessors, (23), 12 states have call successors, (23) Word has length 111 [2024-11-14 03:59:00,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:00,139 INFO L225 Difference]: With dead ends: 855 [2024-11-14 03:59:00,139 INFO L226 Difference]: Without dead ends: 565 [2024-11-14 03:59:00,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 3015 ImplicationChecksByTransitivity, 51.5s TimeCoverageRelationStatistics Valid=1089, Invalid=7201, Unknown=98, NotChecked=732, Total=9120 [2024-11-14 03:59:00,141 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 768 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 3149 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:00,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 1627 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 3149 Invalid, 0 Unknown, 0 Unchecked, 30.0s Time] [2024-11-14 03:59:00,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-14 03:59:00,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 497. [2024-11-14 03:59:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 458 states have (on average 1.3799126637554586) internal successors, (632), 458 states have internal predecessors, (632), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:59:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 680 transitions. [2024-11-14 03:59:00,231 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 680 transitions. Word has length 111 [2024-11-14 03:59:00,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:00,232 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 680 transitions. [2024-11-14 03:59:00,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 47 states have (on average 2.9361702127659575) internal successors, (138), 46 states have internal predecessors, (138), 12 states have call successors, (23), 10 states have call predecessors, (23), 12 states have return successors, (23), 10 states have call predecessors, (23), 12 states have call successors, (23) [2024-11-14 03:59:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 680 transitions. [2024-11-14 03:59:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 03:59:00,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:00,233 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:00,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-14 03:59:00,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-14 03:59:00,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-14 03:59:00,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:59:00,834 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:00,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:00,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1471147470, now seen corresponding path program 1 times [2024-11-14 03:59:00,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:59:00,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822831254] [2024-11-14 03:59:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:00,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:59:00,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:59:00,840 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:59:00,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-14 03:59:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:01,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-14 03:59:01,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:02,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:59:04,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-14 03:59:05,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:05,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:06,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:07,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:08,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:09,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:09,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2024-11-14 03:59:10,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 80 [2024-11-14 03:59:10,698 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-14 03:59:10,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:11,814 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1017 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_167| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_167|))) (.cse2 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_1017))) (or (fp.eq .cse0 (let ((.cse1 (select (select (store .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base (store (select .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.offset |v_skolemized_q#valueAsBitvector_167|)) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (not (= .cse0 (let ((.cse3 (select (select .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))))) is different from false [2024-11-14 03:59:12,206 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1016 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1017 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_167| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_167|))) (.cse2 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base v_ArrVal_1016) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_1017))) (or (fp.eq .cse0 (let ((.cse1 (select (select (store .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base (store (select .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.offset |v_skolemized_q#valueAsBitvector_167|)) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (not (= .cse0 (let ((.cse3 (select (select .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))))) is different from false [2024-11-14 03:59:12,957 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:59:12,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822831254] [2024-11-14 03:59:12,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822831254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:59:12,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1064179083] [2024-11-14 03:59:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:12,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:59:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:59:12,959 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:59:12,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-14 03:59:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:14,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 03:59:14,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:15,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:59:16,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-14 03:59:17,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:18,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:19,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:20,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:21,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:21,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:21,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2024-11-14 03:59:22,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 80 [2024-11-14 03:59:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-14 03:59:22,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:23,115 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_167| (_ BitVec 32)) (v_ArrVal_1048 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_167|))) (.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_1048))) (or (not (= (let ((.cse0 (select (select .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) .cse2)) (fp.eq .cse2 (let ((.cse3 (select (select (store .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base (store (select .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.offset |v_skolemized_q#valueAsBitvector_167|)) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))) is different from false [2024-11-14 03:59:23,593 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_167| (_ BitVec 32)) (v_ArrVal_1047 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1048 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base v_ArrVal_1047) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_1048)) (.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_167|)))) (or (fp.eq .cse0 (let ((.cse1 (select (select (store .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base (store (select .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.offset |v_skolemized_q#valueAsBitvector_167|)) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (not (= (let ((.cse3 (select (select .cse2 c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) .cse0))))) is different from false [2024-11-14 03:59:24,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1064179083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:59:24,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823394067] [2024-11-14 03:59:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:24,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:59:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:59:24,366 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:59:24,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28bef935-69d4-432b-b013-5cedfb2c873b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-14 03:59:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:24,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-14 03:59:24,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:26,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:59:27,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-14 03:59:28,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:29,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:30,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:31,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:32,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:32,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-14 03:59:32,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2024-11-14 03:59:33,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 80 [2024-11-14 03:59:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-14 03:59:33,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:34,611 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1079 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_167| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_167|))) (.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_1079))) (or (not (= (let ((.cse0 (select (select .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) .cse2)) (fp.eq .cse2 (let ((.cse3 (select (select (store .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base (store (select .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.offset |v_skolemized_q#valueAsBitvector_167|)) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))) is different from false [2024-11-14 03:59:35,063 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1078 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1079 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_167| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_167|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_167|))) (.cse1 (store (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var5_Pointer~0.base v_ArrVal_1078) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_1079))) (or (not (= (let ((.cse0 (select (select .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) .cse2)) (fp.eq .cse2 (let ((.cse3 (select (select (store .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base (store (select .cse1 c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar2_Pointer~0.offset |v_skolemized_q#valueAsBitvector_167|)) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))) is different from false