./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje --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 b82a2feeff1bf45727428077ccadb7452462e1099276a8b897477a025c2c05e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:43:45,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:43:45,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:43:45,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:43:45,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:43:45,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:43:45,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:43:45,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:43:45,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:43:45,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:43:45,844 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:43:45,845 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:43:45,845 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:43:45,846 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:43:45,846 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:43:45,847 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:43:45,847 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:43:45,847 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:43:45,848 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:43:45,848 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:43:45,849 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:43:45,853 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:43:45,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:43:45,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:43:45,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:43:45,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:43:45,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:43:45,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:43:45,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:43:45,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:43:45,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:43:45,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:43:45,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:43:45,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:43:45,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:43:45,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:43:45,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:43:45,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:43:45,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:43:45,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:43:45,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:43:45,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:43:45,865 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:43:45,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:43:45,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:43:45,866 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:43:45,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:43:45,866 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b82a2feeff1bf45727428077ccadb7452462e1099276a8b897477a025c2c05e5 [2024-11-09 04:43:46,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:43:46,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:43:46,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:43:46,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:43:46,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:43:46,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i Unable to find full path for "g++" [2024-11-09 04:43:48,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:43:48,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:43:48,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i [2024-11-09 04:43:48,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data/f6e2012c1/a92a9a72eefc4eca890174b95715e020/FLAGedf46b8da [2024-11-09 04:43:48,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data/f6e2012c1/a92a9a72eefc4eca890174b95715e020 [2024-11-09 04:43:48,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:43:48,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:43:48,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:43:48,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:43:48,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:43:48,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:48" (1/1) ... [2024-11-09 04:43:48,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474234bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:48, skipping insertion in model container [2024-11-09 04:43:48,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:48" (1/1) ... [2024-11-09 04:43:48,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:43:48,960 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_867c902e-4438-4bb5-b5f7-75e62186c9e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i[916,929] [2024-11-09 04:43:49,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:43:49,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:43:49,064 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_867c902e-4438-4bb5-b5f7-75e62186c9e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i[916,929] [2024-11-09 04:43:49,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:43:49,124 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:43:49,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49 WrapperNode [2024-11-09 04:43:49,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:43:49,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:43:49,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:43:49,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:43:49,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,207 INFO L138 Inliner]: procedures = 29, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 505 [2024-11-09 04:43:49,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:43:49,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:43:49,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:43:49,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:43:49,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:43:49,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:43:49,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:43:49,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:43:49,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (1/1) ... [2024-11-09 04:43:49,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:43:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:43:49,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:43:49,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:43:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:43:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:43:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:43:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:43:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:43:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:43:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:43:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:43:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:43:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:43:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:43:49,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:43:49,612 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:43:50,369 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-11-09 04:43:50,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:43:51,209 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:43:51,210 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:43:51,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:51 BoogieIcfgContainer [2024-11-09 04:43:51,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:43:51,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:43:51,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:43:51,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:43:51,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:43:48" (1/3) ... [2024-11-09 04:43:51,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61017f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:51, skipping insertion in model container [2024-11-09 04:43:51,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:49" (2/3) ... [2024-11-09 04:43:51,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61017f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:51, skipping insertion in model container [2024-11-09 04:43:51,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:51" (3/3) ... [2024-11-09 04:43:51,225 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-37.i [2024-11-09 04:43:51,247 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:43:51,247 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:43:51,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:43:51,345 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;@49b9c917, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:43:51,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:43:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:43:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 04:43:51,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:51,364 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:51,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:43:51,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1694209529, now seen corresponding path program 1 times [2024-11-09 04:43:51,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:51,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50893767] [2024-11-09 04:43:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:51,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:43:56,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115824478] [2024-11-09 04:43:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:43:56,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:43:56,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:43:56,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:43:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:43:57,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:43:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:43:59,924 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:43:59,927 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:43:59,929 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:43:59,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:00,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:44:00,139 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:44:00,340 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:44:00,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:44:00 BoogieIcfgContainer [2024-11-09 04:44:00,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:44:00,345 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:44:00,345 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:44:00,345 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:44:00,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:51" (3/4) ... [2024-11-09 04:44:00,350 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:44:00,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:44:00,353 INFO L158 Benchmark]: Toolchain (without parser) took 11652.15ms. Allocated memory was 146.8MB in the beginning and 285.2MB in the end (delta: 138.4MB). Free memory was 107.4MB in the beginning and 118.9MB in the end (delta: -11.5MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2024-11-09 04:44:00,355 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:44:00,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.07ms. Allocated memory is still 146.8MB. Free memory was 107.1MB in the beginning and 91.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:44:00,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.17ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 87.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:44:00,358 INFO L158 Benchmark]: Boogie Preprocessor took 48.72ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 84.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:44:00,359 INFO L158 Benchmark]: RCFGBuilder took 1953.70ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 84.4MB in the beginning and 89.5MB in the end (delta: -5.1MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-09 04:44:00,362 INFO L158 Benchmark]: TraceAbstraction took 9128.56ms. Allocated memory was 188.7MB in the beginning and 285.2MB in the end (delta: 96.5MB). Free memory was 88.4MB in the beginning and 118.9MB in the end (delta: -30.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-09 04:44:00,363 INFO L158 Benchmark]: Witness Printer took 7.65ms. Allocated memory is still 285.2MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:44:00,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.07ms. Allocated memory is still 146.8MB. Free memory was 107.1MB in the beginning and 91.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.17ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 87.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.72ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 84.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1953.70ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 84.4MB in the beginning and 89.5MB in the end (delta: -5.1MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9128.56ms. Allocated memory was 188.7MB in the beginning and 285.2MB in the end (delta: 96.5MB). Free memory was 88.4MB in the beginning and 118.9MB in the end (delta: -30.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 7.65ms. Allocated memory is still 285.2MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of bitwiseOr at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 8; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] unsigned short int var_1_2 = 59049; [L25] unsigned short int* var_1_2_Pointer = &(var_1_2); [L26] unsigned short int var_1_3 = 100; [L27] unsigned short int* var_1_3_Pointer = &(var_1_3); [L28] unsigned char var_1_6 = 16; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] signed char var_1_7 = -25; [L31] signed char* var_1_7_Pointer = &(var_1_7); [L32] signed char var_1_8 = 16; [L33] signed char* var_1_8_Pointer = &(var_1_8); [L34] signed char var_1_9 = 25; [L35] signed char* var_1_9_Pointer = &(var_1_9); [L36] signed char var_1_10 = -10; [L37] signed char* var_1_10_Pointer = &(var_1_10); [L38] signed char var_1_11 = 0; [L39] signed char* var_1_11_Pointer = &(var_1_11); [L40] float var_1_12 = 25.1; [L41] float* var_1_12_Pointer = &(var_1_12); [L42] unsigned long int var_1_13 = 2531521428; [L43] unsigned long int* var_1_13_Pointer = &(var_1_13); [L44] signed long int var_1_14 = -128; [L45] signed long int* var_1_14_Pointer = &(var_1_14); [L46] signed long int var_1_15 = 256; [L47] signed long int* var_1_15_Pointer = &(var_1_15); [L48] signed short int var_1_16 = -16; [L49] signed short int* var_1_16_Pointer = &(var_1_16); [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] FCALL updateLastVariables() [L112] CALL updateVariables() [L77] var_1_2 = __VERIFIER_nondet_ushort() [L78] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L78] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L79] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L79] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] var_1_3 = __VERIFIER_nondet_ushort() [L81] EXPR \read(var_1_3) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] EXPR \read(var_1_3) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] var_1_6 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_8 = __VERIFIER_nondet_char() [L87] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] var_1_9 = __VERIFIER_nondet_char() [L90] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_9 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 <= 31) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_10 = __VERIFIER_nondet_char() [L93] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F [L96] EXPR (var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] var_1_13 = __VERIFIER_nondet_ulong() [L98] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] RET updateVariables() [L113] CALL step() [L53] EXPR \read(*var_1_8_Pointer) [L53] (*(var_1_14_Pointer)) = (*(var_1_8_Pointer)) [L54] EXPR \read(*var_1_14_Pointer) [L54] (*(var_1_16_Pointer)) = (*(var_1_14_Pointer)) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR (((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer))) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR (((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer))) [L55] signed long int stepLocal_0 = ((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))); [L56] EXPR \read(*var_1_2_Pointer) [L56] COND FALSE !((*(var_1_2_Pointer)) <= stepLocal_0) [L59] EXPR \read(*var_1_10_Pointer) [L59] (*(var_1_7_Pointer)) = (*(var_1_10_Pointer)) [L61] EXPR \read(*var_1_16_Pointer) [L61] (*(var_1_15_Pointer)) = (*(var_1_16_Pointer)) [L62] EXPR \read(*var_1_2_Pointer) [L62] EXPR \read(*var_1_3_Pointer) [L62] EXPR \read(*var_1_15_Pointer) [L62] EXPR \read(*var_1_16_Pointer) [L62] EXPR ((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer))) [L62] COND FALSE !((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) [L65] EXPR \read(*var_1_6_Pointer) [L65] (*(var_1_1_Pointer)) = (*(var_1_6_Pointer)) [L67] EXPR \read(*var_1_1_Pointer) [L67] unsigned char stepLocal_1 = (*(var_1_1_Pointer)); [L68] EXPR \read(*var_1_12_Pointer) [L68] COND TRUE 2.75f > (*(var_1_12_Pointer)) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR \read(*var_1_8_Pointer) [L69] (*(var_1_11_Pointer)) = ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR \read(*var_1_2_Pointer) [L104] EXPR \read(*var_1_3_Pointer) [L104] EXPR \read(*var_1_15_Pointer) [L104] EXPR \read(*var_1_16_Pointer) [L104] EXPR ((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer))) [L104] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) [L104] EXPR \read(*var_1_1_Pointer) [L104] EXPR \read(*var_1_6_Pointer) [L104] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) [L104] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer))))) [L104] EXPR \read(*var_1_2_Pointer) [L104] EXPR \read(*var_1_14_Pointer) [L104] EXPR (((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer))) [L104] EXPR \read(*var_1_14_Pointer) [L104] EXPR (((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer))) [L104] EXPR ((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))) [L104] EXPR \read(*var_1_7_Pointer) [L104] EXPR \read(*var_1_10_Pointer) [L104] EXPR ((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))) [L104] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer))))) [L104] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))))) && ((2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1)) [L104] EXPR \read(*var_1_12_Pointer) [L104] EXPR (2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1) [L104] EXPR \read(*var_1_13_Pointer) [L104] EXPR \read(*var_1_14_Pointer) [L104] EXPR \read(*var_1_8_Pointer) [L104] EXPR (((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer))) [L104] EXPR \read(*var_1_8_Pointer) [L104] EXPR (((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer))) [L104] EXPR \read(*var_1_1_Pointer) [L104] EXPR (((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1 [L104] EXPR \read(*var_1_11_Pointer) [L104] EXPR \read(*var_1_8_Pointer) [L104] EXPR (((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5)) [L104] EXPR \read(*var_1_10_Pointer) [L104] EXPR (((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))) [L104] EXPR \read(*var_1_10_Pointer) [L104] EXPR (((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))) [L104] EXPR (((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1 [L104] EXPR (2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1) [L104] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))))) && ((2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1)) [L104] EXPR (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))))) && ((2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) [L104] EXPR ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))))) && ((2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_8_Pointer))))) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) [L104] EXPR (((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))))) && ((2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_8_Pointer))))) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed short int) (*(var_1_14_Pointer)))) [L104-L105] return (((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) ^ ((*(var_1_15_Pointer)) * (*(var_1_16_Pointer)))) <= -64) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_6_Pointer))))) && (((*(var_1_2_Pointer)) <= (((((*(var_1_14_Pointer))) < 0 ) ? -((*(var_1_14_Pointer))) : ((*(var_1_14_Pointer)))))) ? ((*(var_1_7_Pointer)) == ((signed char) (((*(var_1_8_Pointer)) - (1 + (*(var_1_9_Pointer)))) + (*(var_1_10_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed char) (*(var_1_10_Pointer)))))) && ((2.75f > (*(var_1_12_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) ((*(var_1_10_Pointer)) + (*(var_1_8_Pointer))))) : ((((*(var_1_13_Pointer)) - (((((*(var_1_14_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_8_Pointer)))))) > (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed char) (((((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) < ((*(var_1_10_Pointer)))) ? ((((((*(var_1_8_Pointer))) < ((1 + 5))) ? ((*(var_1_8_Pointer))) : ((1 + 5))))) : ((*(var_1_10_Pointer))))))) : 1))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_8_Pointer))))) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed short int) (*(var_1_14_Pointer)))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 1, TraceHistogramMax: 15, 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=39occurred 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, 5.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 [2024-11-09 04:44:00,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje --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 b82a2feeff1bf45727428077ccadb7452462e1099276a8b897477a025c2c05e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:44:03,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:44:03,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:44:03,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:44:03,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:44:03,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:44:03,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:44:03,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:44:03,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:44:03,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:44:03,485 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:44:03,486 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:44:03,486 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:44:03,487 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:44:03,487 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:44:03,487 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:44:03,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:44:03,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:44:03,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:44:03,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:44:03,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:44:03,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:44:03,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:44:03,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:44:03,494 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:44:03,495 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:44:03,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:44:03,495 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:44:03,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:44:03,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:44:03,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:44:03,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:44:03,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:44:03,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:44:03,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:44:03,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:44:03,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:44:03,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:44:03,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:44:03,502 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:44:03,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:03,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:44:03,503 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:44:03,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b82a2feeff1bf45727428077ccadb7452462e1099276a8b897477a025c2c05e5 [2024-11-09 04:44:03,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:44:03,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:44:03,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:44:03,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:44:03,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:44:03,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i Unable to find full path for "g++" [2024-11-09 04:44:06,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:44:06,671 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:44:06,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i [2024-11-09 04:44:06,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data/d1e78a90b/84d343118fe848c19adf71b42362ce7c/FLAG9c2ce4b78 [2024-11-09 04:44:06,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/data/d1e78a90b/84d343118fe848c19adf71b42362ce7c [2024-11-09 04:44:06,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:44:06,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:44:06,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:44:06,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:44:06,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:44:06,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:44:06" (1/1) ... [2024-11-09 04:44:06,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2647e884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:06, skipping insertion in model container [2024-11-09 04:44:06,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:44:06" (1/1) ... [2024-11-09 04:44:06,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:44:07,013 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_867c902e-4438-4bb5-b5f7-75e62186c9e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i[916,929] [2024-11-09 04:44:07,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:44:07,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:44:07,234 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_867c902e-4438-4bb5-b5f7-75e62186c9e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-37.i[916,929] [2024-11-09 04:44:07,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:44:07,352 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:44:07,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07 WrapperNode [2024-11-09 04:44:07,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:44:07,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:44:07,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:44:07,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:44:07,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,461 INFO L138 Inliner]: procedures = 36, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 480 [2024-11-09 04:44:07,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:44:07,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:44:07,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:44:07,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:44:07,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:44:07,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:44:07,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:44:07,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:44:07,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (1/1) ... [2024-11-09 04:44:07,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:44:07,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:44:07,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:44:07,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:44:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:44:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 04:44:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 04:44:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:44:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 04:44:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 04:44:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 04:44:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 04:44:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 04:44:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 04:44:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:44:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:44:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:44:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:44:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 04:44:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 04:44:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 04:44:07,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:44:07,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:44:08,742 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-09 04:44:08,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:44:08,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:44:08,772 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:44:08,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:08 BoogieIcfgContainer [2024-11-09 04:44:08,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:44:08,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:44:08,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:44:08,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:44:08,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:44:06" (1/3) ... [2024-11-09 04:44:08,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316edeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:44:08, skipping insertion in model container [2024-11-09 04:44:08,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:07" (2/3) ... [2024-11-09 04:44:08,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316edeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:44:08, skipping insertion in model container [2024-11-09 04:44:08,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:08" (3/3) ... [2024-11-09 04:44:08,788 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-37.i [2024-11-09 04:44:08,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:44:08,811 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:44:08,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:44:08,912 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;@1b6ec13e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:44:08,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:44:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 80 states have internal predecessors, (110), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 04:44:08,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:08,943 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:08,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:08,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1472192995, now seen corresponding path program 1 times [2024-11-09 04:44:08,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:08,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812578046] [2024-11-09 04:44:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:08,994 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 [2024-11-09 04:44:08,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:08,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:09,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:09,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:44:09,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-09 04:44:09,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:09,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:09,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812578046] [2024-11-09 04:44:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812578046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:09,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:09,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:44:09,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067256857] [2024-11-09 04:44:09,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:09,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:44:09,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:09,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:44:09,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:44:09,622 INFO L87 Difference]: Start difference. First operand has 97 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 80 states have internal predecessors, (110), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 04:44:09,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:09,673 INFO L93 Difference]: Finished difference Result 187 states and 289 transitions. [2024-11-09 04:44:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:44:09,675 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2024-11-09 04:44:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:09,698 INFO L225 Difference]: With dead ends: 187 [2024-11-09 04:44:09,699 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 04:44:09,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:44:09,713 INFO L432 NwaCegarLoop]: 133 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, 133 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 [2024-11-09 04:44:09,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:44:09,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 04:44:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-09 04:44:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2024-11-09 04:44:09,787 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 122 [2024-11-09 04:44:09,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:09,789 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2024-11-09 04:44:09,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 04:44:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-09 04:44:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 04:44:09,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:09,797 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:09,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:10,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:10,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:10,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:10,003 INFO L85 PathProgramCache]: Analyzing trace with hash -462679057, now seen corresponding path program 1 times [2024-11-09 04:44:10,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:10,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623672155] [2024-11-09 04:44:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:10,005 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 [2024-11-09 04:44:10,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:10,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:10,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:10,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:44:10,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 04:44:10,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:10,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:10,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623672155] [2024-11-09 04:44:10,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623672155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:10,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:10,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:44:10,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910434187] [2024-11-09 04:44:10,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:10,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:44:10,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:10,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:44:10,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:44:10,498 INFO L87 Difference]: Start difference. First operand 93 states and 133 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:10,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:10,600 INFO L93 Difference]: Finished difference Result 188 states and 270 transitions. [2024-11-09 04:44:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:44:10,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-09 04:44:10,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:10,604 INFO L225 Difference]: With dead ends: 188 [2024-11-09 04:44:10,605 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 04:44:10,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:44:10,607 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:10,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 496 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:44:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 04:44:10,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-09 04:44:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2024-11-09 04:44:10,624 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 122 [2024-11-09 04:44:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:10,627 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2024-11-09 04:44:10,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2024-11-09 04:44:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 04:44:10,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:10,631 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:10,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:10,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:10,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:10,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash 217379313, now seen corresponding path program 1 times [2024-11-09 04:44:10,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:10,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14101065] [2024-11-09 04:44:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:10,836 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 [2024-11-09 04:44:10,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:10,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:10,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:11,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:44:11,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 04:44:11,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:11,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:11,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14101065] [2024-11-09 04:44:11,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14101065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:11,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:11,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:44:11,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869428411] [2024-11-09 04:44:11,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:11,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:44:11,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:11,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:44:11,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:44:11,376 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:11,479 INFO L93 Difference]: Finished difference Result 194 states and 275 transitions. [2024-11-09 04:44:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:44:11,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-09 04:44:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:11,482 INFO L225 Difference]: With dead ends: 194 [2024-11-09 04:44:11,482 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 04:44:11,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:44:11,484 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:11,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 610 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:44:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 04:44:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2024-11-09 04:44:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-09 04:44:11,496 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 122 [2024-11-09 04:44:11,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:11,497 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-09 04:44:11,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-09 04:44:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 04:44:11,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:11,500 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:11,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:11,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:11,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:11,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1992386675, now seen corresponding path program 1 times [2024-11-09 04:44:11,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:11,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374505140] [2024-11-09 04:44:11,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:11,707 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 [2024-11-09 04:44:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:11,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:11,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 04:44:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:12,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:44:12,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 04:44:12,145 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:12,145 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:12,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374505140] [2024-11-09 04:44:12,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374505140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:12,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:12,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:44:12,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596782954] [2024-11-09 04:44:12,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:12,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:44:12,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:12,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:44:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:44:12,149 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:12,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:12,256 INFO L93 Difference]: Finished difference Result 198 states and 279 transitions. [2024-11-09 04:44:12,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:44:12,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-09 04:44:12,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:12,259 INFO L225 Difference]: With dead ends: 198 [2024-11-09 04:44:12,259 INFO L226 Difference]: Without dead ends: 102 [2024-11-09 04:44:12,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:44:12,261 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:12,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 725 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:44:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-09 04:44:12,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2024-11-09 04:44:12,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 84 states have internal predecessors, (111), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 141 transitions. [2024-11-09 04:44:12,272 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 141 transitions. Word has length 122 [2024-11-09 04:44:12,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:12,273 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 141 transitions. [2024-11-09 04:44:12,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 141 transitions. [2024-11-09 04:44:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 04:44:12,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:12,276 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:12,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:12,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:12,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:12,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:12,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1994233717, now seen corresponding path program 1 times [2024-11-09 04:44:12,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:12,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815228692] [2024-11-09 04:44:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:12,482 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 [2024-11-09 04:44:12,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:12,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:12,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:13,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 04:44:13,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:15,749 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 [2024-11-09 04:44:16,639 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 18 treesize of output 13 [2024-11-09 04:44:17,165 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 18 treesize of output 13 [2024-11-09 04:44:17,558 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 18 treesize of output 13 [2024-11-09 04:44:17,812 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 18 treesize of output 13 [2024-11-09 04:44:18,097 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-09 04:44:18,110 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 27 [2024-11-09 04:44:18,116 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 30 treesize of output 14 [2024-11-09 04:44:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 347 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 04:44:18,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:18,327 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:18,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815228692] [2024-11-09 04:44:18,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815228692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:18,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1884696583] [2024-11-09 04:44:18,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:18,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:18,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:44:18,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:44:18,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 04:44:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:19,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 04:44:19,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:21,401 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 [2024-11-09 04:44:22,481 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 26 treesize of output 19 [2024-11-09 04:44:22,983 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 26 treesize of output 19 [2024-11-09 04:44:23,475 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 26 treesize of output 19 [2024-11-09 04:44:23,818 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 26 treesize of output 19 [2024-11-09 04:44:24,219 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-09 04:44:24,230 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 27 treesize of output 25 [2024-11-09 04:44:24,239 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 26 treesize of output 14 [2024-11-09 04:44:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 347 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 04:44:24,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:24,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1884696583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:24,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207582312] [2024-11-09 04:44:24,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:24,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:44:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:44:24,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:44:24,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 04:44:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:24,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:44:24,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:26,488 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 [2024-11-09 04:44:27,474 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 26 treesize of output 19 [2024-11-09 04:44:28,022 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 26 treesize of output 19 [2024-11-09 04:44:28,416 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 26 treesize of output 19 [2024-11-09 04:44:28,708 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 26 treesize of output 19 [2024-11-09 04:44:29,093 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-09 04:44:29,107 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 27 treesize of output 25 [2024-11-09 04:44:29,114 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 26 treesize of output 14 [2024-11-09 04:44:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 347 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 04:44:29,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:29,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207582312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:29,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:44:29,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2024-11-09 04:44:29,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001340166] [2024-11-09 04:44:29,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:44:29,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 04:44:29,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:29,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 04:44:29,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=927, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 04:44:29,259 INFO L87 Difference]: Start difference. First operand 101 states and 141 transitions. Second operand has 32 states, 29 states have (on average 5.0) internal successors, (145), 28 states have internal predecessors, (145), 20 states have call successors, (39), 20 states have call predecessors, (39), 20 states have return successors, (39), 17 states have call predecessors, (39), 20 states have call successors, (39) [2024-11-09 04:44:32,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:32,508 INFO L93 Difference]: Finished difference Result 213 states and 291 transitions. [2024-11-09 04:44:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 04:44:32,510 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 29 states have (on average 5.0) internal successors, (145), 28 states have internal predecessors, (145), 20 states have call successors, (39), 20 states have call predecessors, (39), 20 states have return successors, (39), 17 states have call predecessors, (39), 20 states have call successors, (39) Word has length 122 [2024-11-09 04:44:32,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:32,514 INFO L225 Difference]: With dead ends: 213 [2024-11-09 04:44:32,514 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 04:44:32,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 405 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=436, Invalid=1726, Unknown=0, NotChecked=0, Total=2162 [2024-11-09 04:44:32,520 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 326 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:32,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 548 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 04:44:32,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 04:44:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2024-11-09 04:44:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.288888888888889) internal successors, (116), 90 states have internal predecessors, (116), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:32,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 146 transitions. [2024-11-09 04:44:32,559 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 146 transitions. Word has length 122 [2024-11-09 04:44:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:32,560 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 146 transitions. [2024-11-09 04:44:32,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 29 states have (on average 5.0) internal successors, (145), 28 states have internal predecessors, (145), 20 states have call successors, (39), 20 states have call predecessors, (39), 20 states have return successors, (39), 17 states have call predecessors, (39), 20 states have call successors, (39) [2024-11-09 04:44:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2024-11-09 04:44:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 04:44:32,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:32,567 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:32,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 04:44:32,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:32,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:33,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:44:33,169 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:33,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:33,170 INFO L85 PathProgramCache]: Analyzing trace with hash 188795383, now seen corresponding path program 1 times [2024-11-09 04:44:33,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:33,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906595307] [2024-11-09 04:44:33,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:33,171 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 [2024-11-09 04:44:33,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:33,172 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:33,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:33,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:44:33,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:34,175 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 [2024-11-09 04:44:35,554 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 18 treesize of output 13 [2024-11-09 04:44:36,433 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 18 treesize of output 13 [2024-11-09 04:44:37,167 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 18 treesize of output 13 [2024-11-09 04:44:38,152 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 27 treesize of output 25 [2024-11-09 04:44:38,771 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 27 treesize of output 25 [2024-11-09 04:44:39,264 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 27 treesize of output 25 [2024-11-09 04:44:39,603 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 27 treesize of output 25 [2024-11-09 04:44:39,958 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2024-11-09 04:44:39,962 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 39 [2024-11-09 04:44:40,122 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 47 treesize of output 23 [2024-11-09 04:44:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 2 proven. 398 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:44:40,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:40,386 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_259 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_259))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))))) is different from false [2024-11-09 04:44:40,406 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:40,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906595307] [2024-11-09 04:44:40,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906595307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:40,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1222619948] [2024-11-09 04:44:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:40,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:40,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:44:40,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:44:40,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 04:44:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:41,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 04:44:41,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:42,395 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 17 treesize of output 17 [2024-11-09 04:44:42,495 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 22 treesize of output 20 [2024-11-09 04:44:42,599 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 54 treesize of output 30 [2024-11-09 04:44:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 04:44:42,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:42,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1222619948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:42,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:44:42,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [21] total 26 [2024-11-09 04:44:42,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679874110] [2024-11-09 04:44:42,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:42,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:44:42,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:44:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=784, Unknown=1, NotChecked=56, Total=930 [2024-11-09 04:44:42,712 INFO L87 Difference]: Start difference. First operand 109 states and 146 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:43,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:43,325 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2024-11-09 04:44:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:44:43,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-09 04:44:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:43,327 INFO L225 Difference]: With dead ends: 215 [2024-11-09 04:44:43,327 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 04:44:43,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=101, Invalid=894, Unknown=1, NotChecked=60, Total=1056 [2024-11-09 04:44:43,329 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 187 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:43,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 288 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 04:44:43,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 04:44:43,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-11-09 04:44:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 143 transitions. [2024-11-09 04:44:43,351 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 143 transitions. Word has length 122 [2024-11-09 04:44:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:43,352 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 143 transitions. [2024-11-09 04:44:43,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2024-11-09 04:44:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 04:44:43,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:43,354 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:43,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 04:44:43,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:43,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:43,759 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:43,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash 796650899, now seen corresponding path program 1 times [2024-11-09 04:44:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982748021] [2024-11-09 04:44:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:43,760 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 [2024-11-09 04:44:43,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:43,761 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:43,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 04:44:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:44,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:44:44,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:44,708 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 [2024-11-09 04:44:45,749 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 18 treesize of output 13 [2024-11-09 04:44:46,511 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 18 treesize of output 13 [2024-11-09 04:44:47,227 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 18 treesize of output 13 [2024-11-09 04:44:48,011 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 27 treesize of output 25 [2024-11-09 04:44:48,561 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 27 treesize of output 25 [2024-11-09 04:44:49,116 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 27 treesize of output 25 [2024-11-09 04:44:49,418 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 27 treesize of output 25 [2024-11-09 04:44:49,740 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2024-11-09 04:44:49,746 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 39 [2024-11-09 04:44:49,932 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 47 treesize of output 23 [2024-11-09 04:44:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 2 proven. 398 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:44:50,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:50,184 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_329 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_329))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))))) is different from false [2024-11-09 04:44:50,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:50,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982748021] [2024-11-09 04:44:50,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982748021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:50,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [185437893] [2024-11-09 04:44:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:50,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:50,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:44:50,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:44:50,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 04:44:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:50,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:44:50,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:53,303 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-09 04:44:53,304 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 1 case distinctions, treesize of input 22 treesize of output 33 [2024-11-09 04:44:53,352 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-09 04:44:53,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2024-11-09 04:44:53,725 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 26 treesize of output 19 [2024-11-09 04:44:53,890 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 26 treesize of output 19 [2024-11-09 04:44:54,023 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 26 treesize of output 19 [2024-11-09 04:44:54,164 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 26 treesize of output 19 [2024-11-09 04:44:54,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2024-11-09 04:44:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 04:44:54,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:54,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [185437893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:54,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:44:54,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 29 [2024-11-09 04:44:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120753924] [2024-11-09 04:44:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:54,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 04:44:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:54,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 04:44:54,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=955, Unknown=1, NotChecked=62, Total=1122 [2024-11-09 04:44:54,493 INFO L87 Difference]: Start difference. First operand 107 states and 143 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:55,790 INFO L93 Difference]: Finished difference Result 213 states and 285 transitions. [2024-11-09 04:44:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:44:55,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 125 [2024-11-09 04:44:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:55,793 INFO L225 Difference]: With dead ends: 213 [2024-11-09 04:44:55,793 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 04:44:55,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=126, Invalid=1137, Unknown=1, NotChecked=68, Total=1332 [2024-11-09 04:44:55,794 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 190 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:55,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 228 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 04:44:55,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 04:44:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-11-09 04:44:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.2727272727272727) internal successors, (112), 88 states have internal predecessors, (112), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:44:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 142 transitions. [2024-11-09 04:44:55,817 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 142 transitions. Word has length 125 [2024-11-09 04:44:55,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:55,818 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 142 transitions. [2024-11-09 04:44:55,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:44:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-09 04:44:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 04:44:55,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:55,822 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:55,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:56,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:56,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:56,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:56,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:56,225 INFO L85 PathProgramCache]: Analyzing trace with hash -483212779, now seen corresponding path program 1 times [2024-11-09 04:44:56,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:56,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525081723] [2024-11-09 04:44:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:56,226 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 [2024-11-09 04:44:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:56,227 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:44:56,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:44:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:56,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:44:56,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:57,073 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 [2024-11-09 04:44:58,131 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 18 treesize of output 13 [2024-11-09 04:44:58,937 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 18 treesize of output 13 [2024-11-09 04:44:59,606 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 18 treesize of output 13 [2024-11-09 04:45:00,429 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 27 treesize of output 25 [2024-11-09 04:45:00,976 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 27 treesize of output 25 [2024-11-09 04:45:01,505 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 27 treesize of output 25 [2024-11-09 04:45:01,805 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 27 treesize of output 25 [2024-11-09 04:45:02,122 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2024-11-09 04:45:02,127 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 39 [2024-11-09 04:45:02,308 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 47 treesize of output 23 [2024-11-09 04:45:02,394 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 2 proven. 398 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:45:02,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:45:02,662 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_403 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_403))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))))) is different from false [2024-11-09 04:45:02,709 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:45:02,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525081723] [2024-11-09 04:45:02,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525081723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:45:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1395787766] [2024-11-09 04:45:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:02,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:45:02,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:45:02,713 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:45:02,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 04:45:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:45:03,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-09 04:45:03,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:45:07,131 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 [2024-11-09 04:45:08,813 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 18 treesize of output 13 [2024-11-09 04:45:09,718 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 18 treesize of output 13 [2024-11-09 04:45:10,576 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 18 treesize of output 13 [2024-11-09 04:45:11,201 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 18 treesize of output 13 [2024-11-09 04:45:11,905 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-09 04:45:11,917 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 27 [2024-11-09 04:45:12,329 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 68 treesize of output 64 [2024-11-09 04:45:12,699 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 74 treesize of output 75 [2024-11-09 04:45:13,086 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 74 treesize of output 75 [2024-11-09 04:45:13,403 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 74 treesize of output 75 [2024-11-09 04:45:13,865 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 146 treesize of output 82 [2024-11-09 04:45:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 04:45:14,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:45:14,497 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_445 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_445))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset)))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset)))))) is different from false [2024-11-09 04:45:15,221 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_443 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_444 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_445 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32)) (~var_1_7_Pointer~0.offset (_ BitVec 32))) (let ((.cse0 (store (store (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base (store (select |c_#memory_int| c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset)))))))))) c_~var_1_15_Pointer~0.base v_ArrVal_443) c_~var_1_1_Pointer~0.base v_ArrVal_444) c_~var_1_11_Pointer~0.base v_ArrVal_445))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))))))) is different from false [2024-11-09 04:45:15,974 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_443 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_444 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_445 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32)) (~var_1_7_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_438 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_438))) (or (bvslt (select (select .cse0 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset) (_ bv0 32)) (let ((.cse1 (store (store (store (store .cse0 c_~var_1_7_Pointer~0.base (store (select .cse0 c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))) (_ bv1 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset)))))))) c_~var_1_15_Pointer~0.base v_ArrVal_443) c_~var_1_1_Pointer~0.base v_ArrVal_444) c_~var_1_11_Pointer~0.base v_ArrVal_445))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset))) (bvneg (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))) (_ bv1 32)))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset)))))))) is different from false [2024-11-09 04:45:16,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1395787766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:45:16,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893450845] [2024-11-09 04:45:16,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:16,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:45:16,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:45:16,211 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:45:16,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 04:45:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:45:16,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-09 04:45:16,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:45:21,651 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 [2024-11-09 04:45:24,655 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 18 [2024-11-09 04:45:28,457 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 49 treesize of output 43 [2024-11-09 04:45:33,224 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 71 treesize of output 64 [2024-11-09 04:45:34,512 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 71 treesize of output 64 [2024-11-09 04:45:36,350 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 73 [2024-11-09 04:45:36,367 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 64 [2024-11-09 04:45:37,335 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 95 treesize of output 79 [2024-11-09 04:45:37,892 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 99 treesize of output 94 [2024-11-09 04:45:38,397 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 99 treesize of output 94 [2024-11-09 04:45:39,015 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 99 treesize of output 94 [2024-11-09 04:45:39,833 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 171 treesize of output 95 [2024-11-09 04:45:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 26 proven. 336 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 04:45:39,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:45:39,941 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_488 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_488))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))))))))) is different from false [2024-11-09 04:45:39,968 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_488 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_487) c_~var_1_11_Pointer~0.base v_ArrVal_488))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset)))))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset)))))) is different from false [2024-11-09 04:45:39,991 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_486 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_488 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store (store |c_#memory_int| c_~var_1_15_Pointer~0.base v_ArrVal_486) c_~var_1_1_Pointer~0.base v_ArrVal_487) c_~var_1_11_Pointer~0.base v_ArrVal_488))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))) (_ bv1 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))))))))) is different from false [2024-11-09 04:45:40,023 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_486 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_488 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_7_Pointer~0.offset (_ BitVec 32))) (let ((.cse0 (store (store (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base (store (select |c_#memory_int| c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset)))))))) c_~var_1_15_Pointer~0.base v_ArrVal_486) c_~var_1_1_Pointer~0.base v_ArrVal_487) c_~var_1_11_Pointer~0.base v_ArrVal_488))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset)))))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset)))))) is different from false [2024-11-09 04:45:45,325 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_486 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_14_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_482 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_7_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_482))) (or (let ((.cse0 (store (store (store (store .cse1 c_~var_1_7_Pointer~0.base (store (select .cse1 c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset)))))))) c_~var_1_15_Pointer~0.base v_ArrVal_486) c_~var_1_1_Pointer~0.base v_ArrVal_487) c_~var_1_11_Pointer~0.base v_ArrVal_488))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) ~var_1_7_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (bvneg (bvadd (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset)))))))) (bvslt (select (select .cse1 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset) (_ bv0 32))))) is different from false [2024-11-09 04:45:46,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893450845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:45:46,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:45:46,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 41] total 77 [2024-11-09 04:45:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983287416] [2024-11-09 04:45:46,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:45:46,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-11-09 04:45:46,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:45:46,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-11-09 04:45:46,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=7036, Unknown=78, NotChecked=1602, Total=9120 [2024-11-09 04:45:46,123 INFO L87 Difference]: Start difference. First operand 107 states and 142 transitions. Second operand has 78 states, 69 states have (on average 2.927536231884058) internal successors, (202), 63 states have internal predecessors, (202), 25 states have call successors, (45), 24 states have call predecessors, (45), 25 states have return successors, (45), 23 states have call predecessors, (45), 25 states have call successors, (45) [2024-11-09 04:47:13,105 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] [2024-11-09 04:50:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:11,748 INFO L93 Difference]: Finished difference Result 263 states and 331 transitions. [2024-11-09 04:50:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-09 04:50:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 69 states have (on average 2.927536231884058) internal successors, (202), 63 states have internal predecessors, (202), 25 states have call successors, (45), 24 states have call predecessors, (45), 25 states have return successors, (45), 23 states have call predecessors, (45), 25 states have call successors, (45) Word has length 125 [2024-11-09 04:50:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:11,751 INFO L225 Difference]: With dead ends: 263 [2024-11-09 04:50:11,752 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 04:50:11,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 4454 ImplicationChecksByTransitivity, 170.0s TimeCoverageRelationStatistics Valid=2468, Invalid=16672, Unknown=78, NotChecked=2538, Total=21756 [2024-11-09 04:50:11,756 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 1511 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 612 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 4923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:11,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 1752 Invalid, 4923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 4310 Invalid, 1 Unknown, 0 Unchecked, 118.1s Time] [2024-11-09 04:50:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 04:50:11,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 131. [2024-11-09 04:50:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 106 states have internal predecessors, (129), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:50:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2024-11-09 04:50:11,808 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 125 [2024-11-09 04:50:11,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:11,809 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2024-11-09 04:50:11,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 69 states have (on average 2.927536231884058) internal successors, (202), 63 states have internal predecessors, (202), 25 states have call successors, (45), 24 states have call predecessors, (45), 25 states have return successors, (45), 23 states have call predecessors, (45), 25 states have call successors, (45) [2024-11-09 04:50:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2024-11-09 04:50:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 04:50:11,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:11,811 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:50:11,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:12,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:12,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:12,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:12,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:12,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:12,413 INFO L85 PathProgramCache]: Analyzing trace with hash -617226285, now seen corresponding path program 1 times [2024-11-09 04:50:12,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:12,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836693746] [2024-11-09 04:50:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:12,416 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 [2024-11-09 04:50:12,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:12,418 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:50:12,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:12,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-09 04:50:12,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:17,529 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 [2024-11-09 04:50:31,862 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 18 treesize of output 13 [2024-11-09 04:50:47,945 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 27 treesize of output 25 [2024-11-09 04:50:56,844 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 27 treesize of output 25 [2024-11-09 04:51:16,208 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 44 [2024-11-09 04:51:25,028 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 44 [2024-11-09 04:51:33,668 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 44 [2024-11-09 04:51:40,241 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 44 [2024-11-09 04:51:48,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 76 [2024-11-09 04:51:48,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 70 treesize of output 73 [2024-11-09 04:51:49,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2024-11-09 04:51:49,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 15 [2024-11-09 04:51:52,067 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 73 treesize of output 74 [2024-11-09 04:51:54,249 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 98 treesize of output 50 [2024-11-09 04:51:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 8 proven. 390 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:51:56,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:06,127 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:06,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836693746] [2024-11-09 04:54:06,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836693746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:06,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1073319393] [2024-11-09 04:54:06,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:06,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:06,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:54:06,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:54:06,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 04:54:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:07,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-09 04:54:07,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:38,748 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 [2024-11-09 04:54:56,101 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 18 treesize of output 13 [2024-11-09 04:55:05,211 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 18 treesize of output 13 [2024-11-09 04:55:13,969 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 18 treesize of output 13 [2024-11-09 04:55:20,230 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 18 treesize of output 13 [2024-11-09 04:55:28,066 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2024-11-09 04:55:28,197 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 27 [2024-11-09 04:55:35,323 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 53 treesize of output 48 [2024-11-09 04:55:37,717 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 53 treesize of output 48 [2024-11-09 04:55:40,098 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 53 treesize of output 48 [2024-11-09 04:55:42,622 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 53 treesize of output 48 [2024-11-09 04:55:48,111 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 60 treesize of output 28 [2024-11-09 04:55:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 04:55:51,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:57,459 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_570 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_570))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) is different from false [2024-11-09 04:56:13,558 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_566 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_570 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_2_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_567 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_568 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_569 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_566))) (let ((.cse2 (select (select .cse1 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))) (or (not (let ((.cse0 (store (store (store (store .cse1 c_~var_1_7_Pointer~0.base v_ArrVal_567) c_~var_1_15_Pointer~0.base v_ArrVal_568) c_~var_1_1_Pointer~0.base v_ArrVal_569) c_~var_1_11_Pointer~0.base v_ArrVal_570))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) ~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset)))) (bvslt .cse2 (_ bv0 32)) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_2_Pointer~0.base) ~var_1_2_Pointer~0.offset))) .cse2))))) is different from false [2024-11-09 04:56:14,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1073319393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:14,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171027869] [2024-11-09 04:56:14,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:14,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:56:14,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:56:14,073 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:56:14,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_867c902e-4438-4bb5-b5f7-75e62186c9e7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 04:56:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:14,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-09 04:56:14,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:21,949 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 [2024-11-09 04:56:46,292 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 26 treesize of output 19 [2024-11-09 04:56:57,926 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 26 treesize of output 19 [2024-11-09 04:57:09,574 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 26 treesize of output 19 [2024-11-09 04:57:19,815 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 26 treesize of output 19 [2024-11-09 04:57:30,134 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 26 treesize of output 19 [2024-11-09 04:57:39,149 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 26 treesize of output 19 [2024-11-09 04:57:46,150 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 26 treesize of output 19 [2024-11-09 04:57:54,767 INFO L349 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2024-11-09 04:57:54,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2024-11-09 04:57:55,374 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-09 04:57:55,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 53 [2024-11-09 04:57:55,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-09 04:58:06,947 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 52 treesize of output 44 [2024-11-09 04:58:10,127 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 52 treesize of output 44 [2024-11-09 04:58:13,375 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 52 treesize of output 44 [2024-11-09 04:58:16,973 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 52 treesize of output 44 [2024-11-09 04:58:24,041 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 59 treesize of output 31 [2024-11-09 04:58:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 395 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 04:58:26,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:29,454 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_613 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_613))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) is different from false [2024-11-09 04:58:32,911 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_570 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_569 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store (store |c_#memory_int| c_~var_1_15_Pointer~0.base v_ArrVal_611) c_~var_1_1_Pointer~0.base v_ArrVal_569) c_~var_1_11_Pointer~0.base v_ArrVal_570))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) is different from false [2024-11-09 04:58:33,116 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_step_#t~mem10#1| (_ BitVec 16))) (bvsle ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem10#1|) |c_ULTIMATE.start_step_~stepLocal_0~0#1|)) (forall ((v_ArrVal_610 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_570 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_569 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base v_ArrVal_610) c_~var_1_15_Pointer~0.base v_ArrVal_611) c_~var_1_1_Pointer~0.base v_ArrVal_569) c_~var_1_11_Pointer~0.base v_ArrVal_570))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset)))))) is different from false [2024-11-09 04:58:33,288 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_610 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_570 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_569 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store (store (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base v_ArrVal_610) c_~var_1_15_Pointer~0.base v_ArrVal_611) c_~var_1_1_Pointer~0.base v_ArrVal_569) c_~var_1_11_Pointer~0.base v_ArrVal_570))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse0 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) (forall ((|ULTIMATE.start_step_#t~mem10#1| (_ BitVec 16))) (bvsle ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem10#1|) |c_ULTIMATE.start_step_#t~ite9#1|))) is different from false [2024-11-09 04:58:36,460 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (~var_1_8_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_610 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_570 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_8_Pointer~0.base (_ BitVec 32)) (v_ArrVal_607 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem10#1| (_ BitVec 16)) (v_ArrVal_569 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base (store (select |c_#memory_int| c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| ~var_1_8_Pointer~0.base) ~var_1_8_Pointer~0.offset))))) c_~var_1_16_Pointer~0.base v_ArrVal_607))) (let ((.cse0 (select (select .cse2 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))) (or (bvslt .cse0 (_ bv0 32)) (bvsle ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem10#1|) .cse0) (not (let ((.cse1 (store (store (store (store .cse2 c_~var_1_7_Pointer~0.base v_ArrVal_610) c_~var_1_15_Pointer~0.base v_ArrVal_611) c_~var_1_1_Pointer~0.base v_ArrVal_569) c_~var_1_11_Pointer~0.base v_ArrVal_570))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (select (select .cse1 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset)))))))) is different from false [2024-11-09 04:58:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171027869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:36,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:58:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 20, 23] total 70 [2024-11-09 04:58:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206460522] [2024-11-09 04:58:36,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:58:36,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-09 04:58:36,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:58:36,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-09 04:58:36,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=6642, Unknown=160, NotChecked=1204, Total=8372 [2024-11-09 04:58:36,982 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 71 states, 65 states have (on average 3.0615384615384613) internal successors, (199), 61 states have internal predecessors, (199), 25 states have call successors, (45), 24 states have call predecessors, (45), 25 states have return successors, (45), 23 states have call predecessors, (45), 25 states have call successors, (45)