./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.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_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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_09457d5d-438a-4eca-b469-a1f5766a396c/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 efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:57,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:57,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:57,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:57,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:57,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:57,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:57,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:57,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:57,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:57,873 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:57,874 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:57,874 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:57,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:57,876 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:57,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:57,877 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:57,878 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:57,878 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:57,878 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:57,879 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:57,880 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:57,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:57,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:57,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:57,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:57,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:57,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:57,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:57,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:57,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:57,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:57,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:57,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:57,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:57,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:57,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:57,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:57,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:57,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:57,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:57,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:57,892 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:57,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:57,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:57,893 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:57,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:57,893 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_09457d5d-438a-4eca-b469-a1f5766a396c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f [2024-11-09 04:29:58,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:58,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:58,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:58,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:58,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:58,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i Unable to find full path for "g++" [2024-11-09 04:30:00,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:00,828 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:00,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i [2024-11-09 04:30:00,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data/3c46fc7aa/75f27b9613b84f029a419eb1895ebedf/FLAG0cc7e8ae7 [2024-11-09 04:30:00,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data/3c46fc7aa/75f27b9613b84f029a419eb1895ebedf [2024-11-09 04:30:00,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:00,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:00,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:00,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:00,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:00,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:00" (1/1) ... [2024-11-09 04:30:00,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30601200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:00, skipping insertion in model container [2024-11-09 04:30:00,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:00" (1/1) ... [2024-11-09 04:30:00,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:01,214 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_09457d5d-438a-4eca-b469-a1f5766a396c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2024-11-09 04:30:01,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:01,369 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:01,385 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_09457d5d-438a-4eca-b469-a1f5766a396c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2024-11-09 04:30:01,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:01,474 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:01,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01 WrapperNode [2024-11-09 04:30:01,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:01,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:01,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:01,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:01,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,578 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 456 [2024-11-09 04:30:01,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:01,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:01,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:01,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:01,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:01,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:01,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:01,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:01,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (1/1) ... [2024-11-09 04:30:01,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:01,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:01,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:01,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:30:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:30:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:30:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:30:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:30:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:30:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:30:01,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:30:01,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:01,930 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:01,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:30:02,700 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-09 04:30:02,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:03,358 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:03,360 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:03,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:03 BoogieIcfgContainer [2024-11-09 04:30:03,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:03,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:03,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:03,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:03,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:00" (1/3) ... [2024-11-09 04:30:03,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff3a7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:03, skipping insertion in model container [2024-11-09 04:30:03,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:01" (2/3) ... [2024-11-09 04:30:03,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff3a7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:03, skipping insertion in model container [2024-11-09 04:30:03,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:03" (3/3) ... [2024-11-09 04:30:03,376 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-34.i [2024-11-09 04:30:03,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:03,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:03,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:03,530 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;@286e5ec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:03,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 04:30:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 04:30:03,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:03,550 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:03,551 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:03,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2013290618, now seen corresponding path program 1 times [2024-11-09 04:30:03,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:30:03,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790317783] [2024-11-09 04:30:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:30:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:06,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:30:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:07,582 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:30:07,584 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:30:07,586 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:30:07,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:30:07,593 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:30:07,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:30:07,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:30:07 BoogieIcfgContainer [2024-11-09 04:30:07,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:30:07,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:30:07,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:30:07,792 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:30:07,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:03" (3/4) ... [2024-11-09 04:30:07,795 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:30:07,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:30:07,797 INFO L158 Benchmark]: Toolchain (without parser) took 6913.96ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 120.4MB in the beginning and 154.5MB in the end (delta: -34.0MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-11-09 04:30:07,798 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:07,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.51ms. Allocated memory is still 151.0MB. Free memory was 120.4MB in the beginning and 103.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:30:07,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.89ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 99.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:30:07,799 INFO L158 Benchmark]: Boogie Preprocessor took 90.46ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 96.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:30:07,800 INFO L158 Benchmark]: RCFGBuilder took 1691.30ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 59.7MB in the end (delta: 36.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 04:30:07,801 INFO L158 Benchmark]: TraceAbstraction took 4426.53ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 58.9MB in the beginning and 154.5MB in the end (delta: -95.6MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-11-09 04:30:07,801 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 268.4MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:07,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.51ms. Allocated memory is still 151.0MB. Free memory was 120.4MB in the beginning and 103.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.89ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 99.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.46ms. Allocated memory is still 151.0MB. Free memory was 99.6MB in the beginning and 96.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1691.30ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 59.7MB in the end (delta: 36.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4426.53ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 58.9MB in the beginning and 154.5MB in the end (delta: -95.6MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 268.4MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryDOUBLEoperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 1} }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0][0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1][0]); [L27] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer = &(BOOL_unsigned_char_Array_0[0][1]); [L28] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer = &(BOOL_unsigned_char_Array_0[1][1]); [L29] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer = &(BOOL_unsigned_char_Array_0[0][2]); [L30] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer = &(BOOL_unsigned_char_Array_0[1][2]); [L31-L33] double double_Array_0[2] = { 10.6, 16.6 }; [L34] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L35] double* double_Array_0_arraydouble_Array_0arrayVar1_Pointer = &(double_Array_0[1]); [L36-L38] signed char signed_char_Array_0[5] = { 10, 4, 64, -4, 32 }; [L39] signed char* signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer = &(signed_char_Array_0[0]); [L40] signed char* signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer = &(signed_char_Array_0[1]); [L41] signed char* signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer = &(signed_char_Array_0[2]); [L42] signed char* signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer = &(signed_char_Array_0[3]); [L43] signed char* signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer = &(signed_char_Array_0[4]); [L44-L46] unsigned char unsigned_char_Array_0[3] = { 64, 100, 100 }; [L47] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer = &(unsigned_char_Array_0[0]); [L48] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer = &(unsigned_char_Array_0[1]); [L49] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer = &(unsigned_char_Array_0[2]); [L50] unsigned char last_1_BOOL_unsigned_char_Array_0_1__1_ = 0; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L115] EXPR BOOL_unsigned_char_Array_0[1][1] [L115] last_1_BOOL_unsigned_char_Array_0_1__1_ = BOOL_unsigned_char_Array_0[1][1] [L125] RET updateLastVariables() [L126] CALL updateVariables() [L78] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L80] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L81] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L82] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L83] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L83] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L84] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L85] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L85] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L86] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L86] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L87] BOOL_unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L88] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L88] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L89] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L89] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L90] BOOL_unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L91] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L91] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L92] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L92] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L93] double_Array_0[0] = __VERIFIER_nondet_double() [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L94] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L94] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L94] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L95] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L96] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L96] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L97] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L97] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L98] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L99] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L99] CALL assume_abort_if_not(signed_char_Array_0[3] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(signed_char_Array_0[3] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L100] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L100] CALL assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L101] signed_char_Array_0[4] = __VERIFIER_nondet_char() [L102] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L102] CALL assume_abort_if_not(signed_char_Array_0[4] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(signed_char_Array_0[4] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L103] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L103] CALL assume_abort_if_not(signed_char_Array_0[4] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(signed_char_Array_0[4] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L104] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L105] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L105] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L106] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L106] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L107] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L108] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L108] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L109] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L109] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L110] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L111] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L111] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L112] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L112] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 128) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 128) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L126] RET updateVariables() [L127] CALL step() [L54] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_1__1_)) [L59] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L59] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L59] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L59] COND FALSE !((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) [L62] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L62] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L62] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L62] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L62] COND TRUE (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L63] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer) [L63] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L63] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L63] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L63] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L63] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer) [L63] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L63] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) = (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L67] EXPR (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1) [L67] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L67] EXPR (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1) [L67] signed long int stepLocal_1 = ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1))); [L68] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L68] signed char stepLocal_0 = (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)); [L69] COND FALSE !(-10 >= stepLocal_0) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1 [L118] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))))))) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4)) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer) [L118] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L118] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) [L118] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))) [L118] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)))))))) [L118] EXPR ((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1) [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L118] EXPR (-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1 [L118] EXPR ((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1) [L118] EXPR (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1)) && (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1) [L118] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L118] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L118] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L118] EXPR ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1 [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L118] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer) [L118] EXPR ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1 [L118] EXPR (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1)) && (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1) [L118-L119] return (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? ((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) == ((double) (((((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) < 0 ) ? -((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))))))) : 1) : 1) && (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer)) || (256 >= ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + 4))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) == ((unsigned char) (! (! ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))))))) && ((-10 >= (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))) ? (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))) - (((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) < (1)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) : (1)))) > (~ (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) + (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer))))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer))))) : 1)) && (((*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) >= (- ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) * (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) == ((signed char) (*(signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer)))) : 1) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:3}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:4}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer={4:5}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={6:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={6:1}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={6:2}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={6:3}, signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer={6:4}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var2_Pointer={7:2}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:30:07,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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_09457d5d-438a-4eca-b469-a1f5766a396c/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 efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:10,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:10,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:30:10,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:10,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:10,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:10,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:11,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:11,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:11,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:11,002 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:11,003 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:11,003 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:11,004 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:11,007 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:11,008 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:11,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:11,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:11,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:30:11,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:30:11,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:30:11,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:30:11,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:30:11,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:30:11,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:30:11,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:30:11,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:30:11,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:30:11,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:30:11,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:30:11,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:30:11,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:30:11,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:30:11,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:30:11,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:30:11,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:11,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:30:11,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:30:11,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:30:11,021 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:30:11,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:30:11,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:30:11,023 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:30:11,023 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_09457d5d-438a-4eca-b469-a1f5766a396c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbce6a3c3cc86de2fbc1d4647db693e04b33292f9edfaeea674d0c6a2cba64f [2024-11-09 04:30:11,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:30:11,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:30:11,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:30:11,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:30:11,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:30:11,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i Unable to find full path for "g++" [2024-11-09 04:30:14,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:14,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:14,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i [2024-11-09 04:30:14,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data/b4402c0ea/a77bf79bc48f4a4a926f54505e07648c/FLAGa4896ac88 [2024-11-09 04:30:14,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/data/b4402c0ea/a77bf79bc48f4a4a926f54505e07648c [2024-11-09 04:30:14,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:14,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:14,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:14,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:14,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:14,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:14" (1/1) ... [2024-11-09 04:30:14,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c390846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:14, skipping insertion in model container [2024-11-09 04:30:14,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:14" (1/1) ... [2024-11-09 04:30:14,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:15,095 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_09457d5d-438a-4eca-b469-a1f5766a396c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2024-11-09 04:30:15,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:15,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:15,262 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_09457d5d-438a-4eca-b469-a1f5766a396c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-34.i[917,930] [2024-11-09 04:30:15,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:15,386 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:15,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15 WrapperNode [2024-11-09 04:30:15,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:15,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:15,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:15,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:15,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,489 INFO L138 Inliner]: procedures = 30, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 453 [2024-11-09 04:30:15,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:15,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:15,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:15,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:15,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:15,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:15,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:15,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:15,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (1/1) ... [2024-11-09 04:30:15,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:15,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:15,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 04:30:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 04:30:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 04:30:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:30:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 04:30:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:30:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:30:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 04:30:16,002 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:16,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:30:25,255 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-09 04:30:25,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:25,293 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:25,296 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:25,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:25 BoogieIcfgContainer [2024-11-09 04:30:25,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:25,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:25,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:25,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:25,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:14" (1/3) ... [2024-11-09 04:30:25,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56944c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:25, skipping insertion in model container [2024-11-09 04:30:25,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:15" (2/3) ... [2024-11-09 04:30:25,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56944c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:25, skipping insertion in model container [2024-11-09 04:30:25,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:25" (3/3) ... [2024-11-09 04:30:25,315 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-34.i [2024-11-09 04:30:25,339 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:25,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:25,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:25,473 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;@1863648e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:25,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 04:30:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 04:30:25,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:25,502 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:25,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:25,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash -923170024, now seen corresponding path program 1 times [2024-11-09 04:30:25,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:25,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271043246] [2024-11-09 04:30:25,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:25,535 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 04:30:25,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:25,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:25,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:26,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:30:26,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-09 04:30:26,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:26,395 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:26,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271043246] [2024-11-09 04:30:26,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271043246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:26,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:26,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:30:26,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136528693] [2024-11-09 04:30:26,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:26,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:30:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:26,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:30:26,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:30:26,451 INFO L87 Difference]: Start difference. First operand has 120 states, 94 states have (on average 1.372340425531915) internal successors, (129), 95 states have internal predecessors, (129), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 04:30:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:26,514 INFO L93 Difference]: Finished difference Result 233 states and 367 transitions. [2024-11-09 04:30:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:30:26,519 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 171 [2024-11-09 04:30:26,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:26,531 INFO L225 Difference]: With dead ends: 233 [2024-11-09 04:30:26,532 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 04:30:26,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 04:30:26,546 INFO L432 NwaCegarLoop]: 168 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, 168 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 04:30:26,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:30:26,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 04:30:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-09 04:30:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 04:30:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-09 04:30:26,626 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 171 [2024-11-09 04:30:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:26,627 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-09 04:30:26,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 04:30:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-09 04:30:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 04:30:26,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:26,634 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:26,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:26,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:26,835 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:26,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1896302366, now seen corresponding path program 1 times [2024-11-09 04:30:26,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:26,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334145338] [2024-11-09 04:30:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:26,841 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 04:30:26,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:26,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:26,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:27,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:30:27,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:30:27,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:27,491 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:27,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334145338] [2024-11-09 04:30:27,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334145338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:27,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:27,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:30:27,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019936410] [2024-11-09 04:30:27,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:27,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:30:27,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:27,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:30:27,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:30:27,497 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:27,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:27,566 INFO L93 Difference]: Finished difference Result 227 states and 330 transitions. [2024-11-09 04:30:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:30:27,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 171 [2024-11-09 04:30:27,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:27,570 INFO L225 Difference]: With dead ends: 227 [2024-11-09 04:30:27,571 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 04:30:27,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:30:27,573 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:27,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 321 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:30:27,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 04:30:27,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-09 04:30:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 04:30:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2024-11-09 04:30:27,591 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 171 [2024-11-09 04:30:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:27,594 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2024-11-09 04:30:27,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2024-11-09 04:30:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 04:30:27,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:27,599 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:27,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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)] Ended with exit code 0 [2024-11-09 04:30:27,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:27,800 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:27,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1652252142, now seen corresponding path program 1 times [2024-11-09 04:30:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:27,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999693051] [2024-11-09 04:30:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:27,803 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 04:30:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:27,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:27,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:28,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:30:28,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:30:28,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:28,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:28,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999693051] [2024-11-09 04:30:28,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999693051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:28,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:28,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:30:28,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835994732] [2024-11-09 04:30:28,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:28,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:30:28,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:28,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:30:28,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:28,521 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:28,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:28,628 INFO L93 Difference]: Finished difference Result 227 states and 328 transitions. [2024-11-09 04:30:28,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:30:28,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 173 [2024-11-09 04:30:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:28,632 INFO L225 Difference]: With dead ends: 227 [2024-11-09 04:30:28,632 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 04:30:28,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:28,635 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:28,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:30:28,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 04:30:28,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-09 04:30:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 04:30:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-11-09 04:30:28,667 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 173 [2024-11-09 04:30:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:28,671 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-11-09 04:30:28,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-11-09 04:30:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 04:30:28,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:28,681 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:28,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:28,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:28,883 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:28,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2054536828, now seen corresponding path program 1 times [2024-11-09 04:30:28,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:28,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650797644] [2024-11-09 04:30:28,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:28,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:28,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:28,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:29,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:30:29,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:29,726 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 21 treesize of output 9 [2024-11-09 04:30:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:30:31,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:31,214 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:31,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650797644] [2024-11-09 04:30:31,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650797644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:31,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:31,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:30:31,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038287956] [2024-11-09 04:30:31,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:31,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:30:31,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:31,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:30:31,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:31,227 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:33,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:36,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:38,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:40,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:40,333 INFO L93 Difference]: Finished difference Result 339 states and 484 transitions. [2024-11-09 04:30:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:30:40,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-11-09 04:30:40,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:40,361 INFO L225 Difference]: With dead ends: 339 [2024-11-09 04:30:40,361 INFO L226 Difference]: Without dead ends: 226 [2024-11-09 04:30:40,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:30:40,364 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 67 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 31 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:40,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 398 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2024-11-09 04:30:40,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-09 04:30:40,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 195. [2024-11-09 04:30:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 145 states have (on average 1.2689655172413794) internal successors, (184), 145 states have internal predecessors, (184), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:30:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 276 transitions. [2024-11-09 04:30:40,403 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 276 transitions. Word has length 175 [2024-11-09 04:30:40,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:40,404 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 276 transitions. [2024-11-09 04:30:40,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 276 transitions. [2024-11-09 04:30:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 04:30:40,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:40,414 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:40,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:40,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:40,615 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:40,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash 752490507, now seen corresponding path program 1 times [2024-11-09 04:30:40,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:40,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829205919] [2024-11-09 04:30:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:40,617 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 04:30:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:40,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:40,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:41,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:30:41,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:30:41,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:41,364 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:41,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829205919] [2024-11-09 04:30:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829205919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:41,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:41,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:30:41,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086431671] [2024-11-09 04:30:41,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:41,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:30:41,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:41,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:30:41,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:30:41,368 INFO L87 Difference]: Start difference. First operand 195 states and 276 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:41,425 INFO L93 Difference]: Finished difference Result 322 states and 459 transitions. [2024-11-09 04:30:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:30:41,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 178 [2024-11-09 04:30:41,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:41,430 INFO L225 Difference]: With dead ends: 322 [2024-11-09 04:30:41,430 INFO L226 Difference]: Without dead ends: 193 [2024-11-09 04:30:41,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:30:41,433 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:41,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 312 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:30:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-09 04:30:41,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-09 04:30:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 143 states have (on average 1.2587412587412588) internal successors, (180), 143 states have internal predecessors, (180), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:30:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 272 transitions. [2024-11-09 04:30:41,477 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 272 transitions. Word has length 178 [2024-11-09 04:30:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:41,478 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 272 transitions. [2024-11-09 04:30:41,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 272 transitions. [2024-11-09 04:30:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:30:41,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:41,486 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:41,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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)] Ended with exit code 0 [2024-11-09 04:30:41,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:41,687 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:41,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:41,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1145479001, now seen corresponding path program 1 times [2024-11-09 04:30:41,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:41,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046007741] [2024-11-09 04:30:41,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:41,689 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 04:30:41,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:41,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:41,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (7)] Waiting until timeout for monitored process [2024-11-09 04:30:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:42,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:30:42,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:30:42,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:42,474 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:42,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046007741] [2024-11-09 04:30:42,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046007741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:42,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:42,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:30:42,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178502180] [2024-11-09 04:30:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:42,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:30:42,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:42,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:30:42,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:42,481 INFO L87 Difference]: Start difference. First operand 193 states and 272 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:42,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:42,605 INFO L93 Difference]: Finished difference Result 323 states and 458 transitions. [2024-11-09 04:30:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:30:42,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:30:42,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:42,610 INFO L225 Difference]: With dead ends: 323 [2024-11-09 04:30:42,611 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 04:30:42,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:42,614 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:42,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:30:42,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 04:30:42,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2024-11-09 04:30:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 145 states have (on average 1.2551724137931035) internal successors, (182), 145 states have internal predecessors, (182), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:30:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 274 transitions. [2024-11-09 04:30:42,673 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 274 transitions. Word has length 180 [2024-11-09 04:30:42,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:42,674 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 274 transitions. [2024-11-09 04:30:42,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 274 transitions. [2024-11-09 04:30:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:30:42,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:42,678 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:42,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (7)] Ended with exit code 0 [2024-11-09 04:30:42,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:42,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:42,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash 444414423, now seen corresponding path program 1 times [2024-11-09 04:30:42,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:42,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189872385] [2024-11-09 04:30:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:42,882 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 04:30:42,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:42,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:42,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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)] Waiting until timeout for monitored process [2024-11-09 04:30:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:43,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:30:43,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:43,610 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 04:30:43,769 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 17 treesize of output 9 [2024-11-09 04:30:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:30:44,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:44,262 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:44,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189872385] [2024-11-09 04:30:44,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189872385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:44,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:44,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 04:30:44,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750041626] [2024-11-09 04:30:44,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:44,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 04:30:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:44,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 04:30:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:30:44,267 INFO L87 Difference]: Start difference. First operand 195 states and 274 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:46,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:51,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:54,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:30:55,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:55,296 INFO L93 Difference]: Finished difference Result 385 states and 541 transitions. [2024-11-09 04:30:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 04:30:55,297 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:30:55,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:55,300 INFO L225 Difference]: With dead ends: 385 [2024-11-09 04:30:55,300 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 04:30:55,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-09 04:30:55,305 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 53 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:55,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1238 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 376 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2024-11-09 04:30:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 04:30:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 232. [2024-11-09 04:30:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 182 states have (on average 1.2637362637362637) internal successors, (230), 182 states have internal predecessors, (230), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:30:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 322 transitions. [2024-11-09 04:30:55,339 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 322 transitions. Word has length 180 [2024-11-09 04:30:55,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:55,343 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 322 transitions. [2024-11-09 04:30:55,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:30:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 322 transitions. [2024-11-09 04:30:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:30:55,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:55,348 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:55,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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)] Ended with exit code 0 [2024-11-09 04:30:55,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:55,550 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:55,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:55,551 INFO L85 PathProgramCache]: Analyzing trace with hash 558672987, now seen corresponding path program 1 times [2024-11-09 04:30:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951432845] [2024-11-09 04:30:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:55,552 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 04:30:55,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:55,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:55,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:30:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:56,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 04:30:56,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:01,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:31:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:31:01,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:01,448 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:01,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951432845] [2024-11-09 04:31:01,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951432845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:01,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:01,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:31:01,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750949234] [2024-11-09 04:31:01,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:01,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:31:01,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:31:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:31:01,451 INFO L87 Difference]: Start difference. First operand 232 states and 322 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:31:05,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:07,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:10,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:12,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:13,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:13,409 INFO L93 Difference]: Finished difference Result 496 states and 686 transitions. [2024-11-09 04:31:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:31:13,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:31:13,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:13,415 INFO L225 Difference]: With dead ends: 496 [2024-11-09 04:31:13,415 INFO L226 Difference]: Without dead ends: 330 [2024-11-09 04:31:13,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:31:13,420 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 236 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:13,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 351 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 281 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 04:31:13,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-09 04:31:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 290. [2024-11-09 04:31:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 240 states have (on average 1.2833333333333334) internal successors, (308), 240 states have internal predecessors, (308), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:31:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 400 transitions. [2024-11-09 04:31:13,464 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 400 transitions. Word has length 180 [2024-11-09 04:31:13,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:13,466 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 400 transitions. [2024-11-09 04:31:13,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:31:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 400 transitions. [2024-11-09 04:31:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:31:13,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:13,469 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:31:13,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:13,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:13,670 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:13,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1838536665, now seen corresponding path program 1 times [2024-11-09 04:31:13,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:13,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275428721] [2024-11-09 04:31:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:13,672 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 04:31:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:13,677 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:13,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (10)] Waiting until timeout for monitored process [2024-11-09 04:31:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:14,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:31:14,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:31:14,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:14,552 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:14,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275428721] [2024-11-09 04:31:14,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275428721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:14,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:31:14,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834805883] [2024-11-09 04:31:14,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:14,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:31:14,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:14,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:31:14,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:31:14,556 INFO L87 Difference]: Start difference. First operand 290 states and 400 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:31:17,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:18,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:21,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:22,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:25,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:25,216 INFO L93 Difference]: Finished difference Result 553 states and 759 transitions. [2024-11-09 04:31:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:31:25,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:31:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:25,220 INFO L225 Difference]: With dead ends: 553 [2024-11-09 04:31:25,220 INFO L226 Difference]: Without dead ends: 329 [2024-11-09 04:31:25,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:31:25,222 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 36 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:25,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 604 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2024-11-09 04:31:25,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-09 04:31:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 294. [2024-11-09 04:31:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 244 states have (on average 1.2868852459016393) internal successors, (314), 244 states have internal predecessors, (314), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:31:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 406 transitions. [2024-11-09 04:31:25,254 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 406 transitions. Word has length 180 [2024-11-09 04:31:25,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:25,261 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 406 transitions. [2024-11-09 04:31:25,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:31:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 406 transitions. [2024-11-09 04:31:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:31:25,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:25,267 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:31:25,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (10)] Ended with exit code 0 [2024-11-09 04:31:25,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:25,468 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:25,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash -506912551, now seen corresponding path program 1 times [2024-11-09 04:31:25,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:25,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378644982] [2024-11-09 04:31:25,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:25,471 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 04:31:25,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:25,475 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:25,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:26,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:31:26,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:31:26,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:26,323 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:26,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378644982] [2024-11-09 04:31:26,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378644982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:26,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:26,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:31:26,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926962763] [2024-11-09 04:31:26,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:26,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:31:26,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:26,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:31:26,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:31:26,327 INFO L87 Difference]: Start difference. First operand 294 states and 406 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:31:28,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:30,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:33,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:35,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:37,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:39,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:31:40,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:40,022 INFO L93 Difference]: Finished difference Result 529 states and 730 transitions. [2024-11-09 04:31:40,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:31:40,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:31:40,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:40,027 INFO L225 Difference]: With dead ends: 529 [2024-11-09 04:31:40,027 INFO L226 Difference]: Without dead ends: 301 [2024-11-09 04:31:40,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:31:40,029 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 59 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:40,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 623 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 216 Invalid, 5 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 04:31:40,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-09 04:31:40,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 267. [2024-11-09 04:31:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 217 states have (on average 1.2764976958525345) internal successors, (277), 217 states have internal predecessors, (277), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:31:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 369 transitions. [2024-11-09 04:31:40,055 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 369 transitions. Word has length 180 [2024-11-09 04:31:40,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:40,056 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 369 transitions. [2024-11-09 04:31:40,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:31:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 369 transitions. [2024-11-09 04:31:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:31:40,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:40,059 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:31:40,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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)] Ended with exit code 0 [2024-11-09 04:31:40,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:40,260 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:40,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1944876381, now seen corresponding path program 1 times [2024-11-09 04:31:40,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:40,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195576422] [2024-11-09 04:31:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:40,261 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 04:31:40,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:40,262 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:31:40,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (12)] Waiting until timeout for monitored process [2024-11-09 04:31:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:40,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 04:31:40,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:46,130 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 04:31:47,602 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 04:31:48,298 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 04:31:49,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:31:49,939 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 04:31:50,782 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 04:31:51,593 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 04:31:52,448 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 04:31:53,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:31:54,250 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 04:31:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 764 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-09 04:31:54,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:31:55,560 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_332 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_334 (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_332))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_334)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))))) is different from false [2024-11-09 04:31:55,752 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:55,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195576422] [2024-11-09 04:31:55,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195576422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:31:55,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [151797020] [2024-11-09 04:31:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:55,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:31:55,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:31:55,754 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:31:55,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 04:31:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:57,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 04:31:57,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:02,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:32:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:32:02,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:32:02,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [151797020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:02,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:32:02,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2024-11-09 04:32:02,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872470009] [2024-11-09 04:32:02,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:02,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:32:02,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:32:02,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:32:02,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=443, Unknown=1, NotChecked=44, Total=600 [2024-11-09 04:32:02,969 INFO L87 Difference]: Start difference. First operand 267 states and 369 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:32:06,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:08,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:10,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:12,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:14,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:16,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:18,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:19,127 INFO L93 Difference]: Finished difference Result 552 states and 759 transitions. [2024-11-09 04:32:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:32:19,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:32:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:19,131 INFO L225 Difference]: With dead ends: 552 [2024-11-09 04:32:19,131 INFO L226 Difference]: Without dead ends: 351 [2024-11-09 04:32:19,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=138, Invalid=567, Unknown=1, NotChecked=50, Total=756 [2024-11-09 04:32:19,134 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 130 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:19,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 435 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 389 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2024-11-09 04:32:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-09 04:32:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 319. [2024-11-09 04:32:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 269 states have (on average 1.2862453531598512) internal successors, (346), 269 states have internal predecessors, (346), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:32:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 438 transitions. [2024-11-09 04:32:19,169 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 438 transitions. Word has length 180 [2024-11-09 04:32:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:19,170 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 438 transitions. [2024-11-09 04:32:19,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:32:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 438 transitions. [2024-11-09 04:32:19,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:32:19,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:19,172 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:32:19,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 04:32:19,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (12)] Ended with exit code 0 [2024-11-09 04:32:19,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:32:19,574 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:19,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash -426862881, now seen corresponding path program 1 times [2024-11-09 04:32:19,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:32:19,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073964551] [2024-11-09 04:32:19,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:19,575 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 04:32:19,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:32:19,577 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:32:19,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (14)] Waiting until timeout for monitored process [2024-11-09 04:32:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:20,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:32:20,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:32:20,361 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:32:20,362 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:32:20,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073964551] [2024-11-09 04:32:20,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073964551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:20,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:20,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:32:20,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945273705] [2024-11-09 04:32:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:20,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:32:20,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:32:20,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:32:20,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:32:20,365 INFO L87 Difference]: Start difference. First operand 319 states and 438 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:32:22,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:24,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:27,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:28,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:28,380 INFO L93 Difference]: Finished difference Result 545 states and 748 transitions. [2024-11-09 04:32:28,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:32:28,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:32:28,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:28,383 INFO L225 Difference]: With dead ends: 545 [2024-11-09 04:32:28,384 INFO L226 Difference]: Without dead ends: 292 [2024-11-09 04:32:28,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:32:28,386 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 6 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:28,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 657 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2024-11-09 04:32:28,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-09 04:32:28,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-09 04:32:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 242 states have (on average 1.2644628099173554) internal successors, (306), 242 states have internal predecessors, (306), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:32:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 398 transitions. [2024-11-09 04:32:28,417 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 398 transitions. Word has length 180 [2024-11-09 04:32:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:28,418 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 398 transitions. [2024-11-09 04:32:28,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:32:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 398 transitions. [2024-11-09 04:32:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:32:28,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:28,420 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:32:28,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (14)] Ended with exit code 0 [2024-11-09 04:32:28,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:32:28,622 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:28,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:28,623 INFO L85 PathProgramCache]: Analyzing trace with hash -400572835, now seen corresponding path program 1 times [2024-11-09 04:32:28,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:32:28,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431360214] [2024-11-09 04:32:28,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:28,624 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 04:32:28,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:32:28,628 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:32:28,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (15)] Waiting until timeout for monitored process [2024-11-09 04:32:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:29,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 04:32:29,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:34,219 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 04:32:35,732 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 04:32:36,402 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 04:32:37,265 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 04:32:38,085 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 04:32:38,881 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 04:32:39,533 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 04:32:40,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:32:41,140 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 04:32:41,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:32:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 764 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-09 04:32:42,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:32:43,128 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_434 (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_432))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_434)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset))))))) is different from false [2024-11-09 04:32:43,323 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:32:43,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431360214] [2024-11-09 04:32:43,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431360214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:32:43,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [129176839] [2024-11-09 04:32:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:43,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:32:43,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:32:43,325 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:32:43,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 04:32:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:45,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 04:32:45,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:49,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:32:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:32:50,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:32:50,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [129176839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:50,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:32:50,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2024-11-09 04:32:50,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167896020] [2024-11-09 04:32:50,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:50,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:32:50,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:32:50,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:32:50,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=367, Unknown=1, NotChecked=40, Total=506 [2024-11-09 04:32:50,195 INFO L87 Difference]: Start difference. First operand 292 states and 398 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:32:53,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:57,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:59,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:00,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:03,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:05,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:05,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:05,522 INFO L93 Difference]: Finished difference Result 569 states and 773 transitions. [2024-11-09 04:33:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:33:05,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:33:05,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:05,525 INFO L225 Difference]: With dead ends: 569 [2024-11-09 04:33:05,526 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 04:33:05,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=109, Invalid=400, Unknown=1, NotChecked=42, Total=552 [2024-11-09 04:33:05,528 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 124 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:05,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 504 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 420 Invalid, 5 Unknown, 0 Unchecked, 15.2s Time] [2024-11-09 04:33:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 04:33:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 309. [2024-11-09 04:33:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 259 states have (on average 1.2625482625482625) internal successors, (327), 259 states have internal predecessors, (327), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:33:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 419 transitions. [2024-11-09 04:33:05,560 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 419 transitions. Word has length 180 [2024-11-09 04:33:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:05,561 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 419 transitions. [2024-11-09 04:33:05,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:33:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 419 transitions. [2024-11-09 04:33:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:33:05,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:05,564 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:33:05,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (15)] Forceful destruction successful, exit code 0 [2024-11-09 04:33:05,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 04:33:05,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:33:05,965 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:05,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:05,965 INFO L85 PathProgramCache]: Analyzing trace with hash -286314271, now seen corresponding path program 1 times [2024-11-09 04:33:05,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:05,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82814390] [2024-11-09 04:33:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:05,966 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 04:33:05,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:05,968 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:33:05,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (17)] Waiting until timeout for monitored process [2024-11-09 04:33:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:06,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:33:06,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:10,408 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 39 treesize of output 23 [2024-11-09 04:33:11,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:33:11,324 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 1 case distinctions, treesize of input 68 treesize of output 40 [2024-11-09 04:33:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:33:11,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:33:11,664 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:11,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82814390] [2024-11-09 04:33:11,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82814390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:33:11,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:33:11,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 04:33:11,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197310344] [2024-11-09 04:33:11,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:11,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 04:33:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:11,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 04:33:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:33:11,666 INFO L87 Difference]: Start difference. First operand 309 states and 419 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:33:14,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:16,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:20,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:21,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:23,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:24,377 INFO L93 Difference]: Finished difference Result 584 states and 790 transitions. [2024-11-09 04:33:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:33:24,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:33:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:24,380 INFO L225 Difference]: With dead ends: 584 [2024-11-09 04:33:24,380 INFO L226 Difference]: Without dead ends: 341 [2024-11-09 04:33:24,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-09 04:33:24,381 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 119 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:24,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 997 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2024-11-09 04:33:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-09 04:33:24,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 311. [2024-11-09 04:33:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 261 states have (on average 1.264367816091954) internal successors, (330), 261 states have internal predecessors, (330), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:33:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 422 transitions. [2024-11-09 04:33:24,417 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 422 transitions. Word has length 180 [2024-11-09 04:33:24,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:24,418 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 422 transitions. [2024-11-09 04:33:24,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:33:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 422 transitions. [2024-11-09 04:33:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:33:24,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:24,420 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:33:24,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (17)] Forceful destruction successful, exit code 0 [2024-11-09 04:33:24,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:33:24,621 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:24,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:24,622 INFO L85 PathProgramCache]: Analyzing trace with hash -987378849, now seen corresponding path program 1 times [2024-11-09 04:33:24,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:24,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383580326] [2024-11-09 04:33:24,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:24,623 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 04:33:24,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:24,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:33:24,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (18)] Waiting until timeout for monitored process [2024-11-09 04:33:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:25,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:33:25,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:33:25,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:33:25,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:25,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383580326] [2024-11-09 04:33:25,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383580326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:33:25,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:33:25,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:33:25,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099834609] [2024-11-09 04:33:25,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:25,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:33:25,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:25,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:33:25,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:33:25,373 INFO L87 Difference]: Start difference. First operand 311 states and 422 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:33:27,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:31,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:32,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:34,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:36,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:38,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:40,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:41,019 INFO L93 Difference]: Finished difference Result 588 states and 792 transitions. [2024-11-09 04:33:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:33:41,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:33:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:41,023 INFO L225 Difference]: With dead ends: 588 [2024-11-09 04:33:41,023 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 04:33:41,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:33:41,025 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 33 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:41,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 720 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 6 Unknown, 0 Unchecked, 15.6s Time] [2024-11-09 04:33:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 04:33:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 311. [2024-11-09 04:33:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 261 states have (on average 1.2567049808429118) internal successors, (328), 261 states have internal predecessors, (328), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:33:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 420 transitions. [2024-11-09 04:33:41,061 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 420 transitions. Word has length 180 [2024-11-09 04:33:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:41,061 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 420 transitions. [2024-11-09 04:33:41,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:33:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 420 transitions. [2024-11-09 04:33:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 04:33:41,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:41,064 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:33:41,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (18)] Forceful destruction successful, exit code 0 [2024-11-09 04:33:41,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:33:41,265 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:41,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:41,266 INFO L85 PathProgramCache]: Analyzing trace with hash 292484829, now seen corresponding path program 1 times [2024-11-09 04:33:41,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:41,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150411274] [2024-11-09 04:33:41,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:41,267 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 04:33:41,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:41,268 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:33:41,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (19)] Waiting until timeout for monitored process [2024-11-09 04:33:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:42,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 04:33:42,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:46,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:33:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:33:46,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:33:46,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:46,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150411274] [2024-11-09 04:33:46,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150411274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:33:46,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:33:46,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:33:46,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176645451] [2024-11-09 04:33:46,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:46,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:33:46,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:46,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:33:46,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:33:46,283 INFO L87 Difference]: Start difference. First operand 311 states and 420 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:33:49,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:51,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:53,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:56,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:33:58,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:00,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:02,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:04,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:05,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:06,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:06,380 INFO L93 Difference]: Finished difference Result 584 states and 786 transitions. [2024-11-09 04:34:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:34:06,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-09 04:34:06,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:06,383 INFO L225 Difference]: With dead ends: 584 [2024-11-09 04:34:06,383 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 04:34:06,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:34:06,385 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 177 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:06,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 490 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 320 Invalid, 7 Unknown, 0 Unchecked, 20.0s Time] [2024-11-09 04:34:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 04:34:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 309. [2024-11-09 04:34:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 259 states have (on average 1.250965250965251) internal successors, (324), 259 states have internal predecessors, (324), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:34:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 416 transitions. [2024-11-09 04:34:06,420 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 416 transitions. Word has length 180 [2024-11-09 04:34:06,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:06,421 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 416 transitions. [2024-11-09 04:34:06,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:34:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 416 transitions. [2024-11-09 04:34:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:34:06,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:06,424 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:34:06,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (19)] Ended with exit code 0 [2024-11-09 04:34:06,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:34:06,625 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:06,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1193197903, now seen corresponding path program 1 times [2024-11-09 04:34:06,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:34:06,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248091710] [2024-11-09 04:34:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:06,626 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 04:34:06,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:34:06,631 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:34:06,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (20)] Waiting until timeout for monitored process [2024-11-09 04:34:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:07,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:34:07,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:09,795 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 04:34:09,958 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 12 [2024-11-09 04:34:10,089 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 17 treesize of output 9 [2024-11-09 04:34:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:34:10,429 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:34:10,430 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:34:10,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248091710] [2024-11-09 04:34:10,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248091710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:10,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:34:10,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 04:34:10,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678627037] [2024-11-09 04:34:10,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:10,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:34:10,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:34:10,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:34:10,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:34:10,433 INFO L87 Difference]: Start difference. First operand 309 states and 416 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:34:13,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:15,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:18,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:20,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:22,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:23,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:28,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:34:28,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:28,617 INFO L93 Difference]: Finished difference Result 609 states and 815 transitions. [2024-11-09 04:34:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 04:34:28,617 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 04:34:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:28,619 INFO L225 Difference]: With dead ends: 609 [2024-11-09 04:34:28,619 INFO L226 Difference]: Without dead ends: 366 [2024-11-09 04:34:28,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-11-09 04:34:28,621 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 231 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:28,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 854 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 456 Invalid, 6 Unknown, 0 Unchecked, 17.8s Time] [2024-11-09 04:34:28,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-09 04:34:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 328. [2024-11-09 04:34:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 278 states have internal predecessors, (352), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:34:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 444 transitions. [2024-11-09 04:34:28,674 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 444 transitions. Word has length 181 [2024-11-09 04:34:28,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:28,675 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 444 transitions. [2024-11-09 04:34:28,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:34:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 444 transitions. [2024-11-09 04:34:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:34:28,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:28,677 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:34:28,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (20)] Ended with exit code 0 [2024-11-09 04:34:28,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:34:28,879 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:28,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1307456467, now seen corresponding path program 1 times [2024-11-09 04:34:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:34:28,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995586095] [2024-11-09 04:34:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:28,883 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 04:34:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:34:28,887 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:34:28,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (21)] Waiting until timeout for monitored process [2024-11-09 04:34:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:29,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 04:34:29,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:34,184 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 04:34:36,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:34:37,148 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 04:34:37,968 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 04:34:39,074 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 04:34:39,988 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 04:34:40,905 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:34:41,721 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 04:34:42,488 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 04:34:43,497 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 04:34:44,355 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 04:34:44,651 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 27 treesize of output 20 [2024-11-09 04:34:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 792 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 04:34:44,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:34:45,048 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_636 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_636) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset))))) is different from false [2024-11-09 04:34:45,595 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_634 (_ BitVec 32)) (v_ArrVal_633 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_636 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_633))) (or (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_634)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_636) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset))))))) is different from false [2024-11-09 04:34:45,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:34:45,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995586095] [2024-11-09 04:34:45,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995586095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:34:45,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1398906986] [2024-11-09 04:34:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:45,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:34:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:34:45,787 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:34:45,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 04:34:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:47,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 04:34:47,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:54,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:34:54,950 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 04:34:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:34:55,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:34:55,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1398906986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:55,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:34:55,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 22 [2024-11-09 04:34:55,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585765459] [2024-11-09 04:34:55,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:55,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:34:55,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:34:55,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:34:55,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=593, Unknown=13, NotChecked=102, Total=812 [2024-11-09 04:34:55,323 INFO L87 Difference]: Start difference. First operand 328 states and 444 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:34:58,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:00,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:02,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:05,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:07,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:09,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:11,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:13,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:15,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:15,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:15,752 INFO L93 Difference]: Finished difference Result 637 states and 860 transitions. [2024-11-09 04:35:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:35:15,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 04:35:15,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:15,755 INFO L225 Difference]: With dead ends: 637 [2024-11-09 04:35:15,755 INFO L226 Difference]: Without dead ends: 375 [2024-11-09 04:35:15,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=123, Invalid=742, Unknown=13, NotChecked=114, Total=992 [2024-11-09 04:35:15,757 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 127 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:15,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 486 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 494 Invalid, 7 Unknown, 0 Unchecked, 20.0s Time] [2024-11-09 04:35:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-09 04:35:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 343. [2024-11-09 04:35:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 293 states have (on average 1.2764505119453924) internal successors, (374), 293 states have internal predecessors, (374), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:35:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 466 transitions. [2024-11-09 04:35:15,795 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 466 transitions. Word has length 181 [2024-11-09 04:35:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:15,795 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 466 transitions. [2024-11-09 04:35:15,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:35:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 466 transitions. [2024-11-09 04:35:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:35:15,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:15,798 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:35:15,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (21)] Forceful destruction successful, exit code 0 [2024-11-09 04:35:16,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 04:35:16,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:16,199 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:16,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash 797983377, now seen corresponding path program 1 times [2024-11-09 04:35:16,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:16,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618303205] [2024-11-09 04:35:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:16,200 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 04:35:16,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:16,205 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:35:16,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (23)] Waiting until timeout for monitored process [2024-11-09 04:35:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:17,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 04:35:17,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:21,507 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 04:35:23,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-09 04:35:24,671 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 04:35:25,616 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 04:35:26,742 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 04:35:27,809 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 04:35:28,887 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 04:35:29,806 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 04:35:30,782 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 04:35:32,010 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 04:35:33,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-09 04:35:33,368 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 35 treesize of output 26 [2024-11-09 04:35:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 792 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 04:35:33,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:35:33,829 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_715 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_715) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset))))) is different from false [2024-11-09 04:35:34,424 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_713 (_ BitVec 32)) (v_ArrVal_715 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_712 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_712))) (or (not (= ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_713)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_715) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)) (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)))))) is different from false [2024-11-09 04:35:34,648 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618303205] [2024-11-09 04:35:34,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618303205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:35:34,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [846664530] [2024-11-09 04:35:34,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:34,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:34,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:35:34,652 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:35:34,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 04:35:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:37,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 04:35:37,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:43,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:35:43,675 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 04:35:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:35:43,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:43,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [846664530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:43,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:35:43,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2024-11-09 04:35:43,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87089979] [2024-11-09 04:35:43,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:43,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:35:43,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:43,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:35:43,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=512, Unknown=21, NotChecked=98, Total=756 [2024-11-09 04:35:43,959 INFO L87 Difference]: Start difference. First operand 343 states and 466 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:35:47,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:49,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:50,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:53,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:54,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:56,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:35:57,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:57,011 INFO L93 Difference]: Finished difference Result 661 states and 895 transitions. [2024-11-09 04:35:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:35:57,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 04:35:57,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:57,014 INFO L225 Difference]: With dead ends: 661 [2024-11-09 04:35:57,014 INFO L226 Difference]: Without dead ends: 384 [2024-11-09 04:35:57,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=153, Invalid=645, Unknown=22, NotChecked=110, Total=930 [2024-11-09 04:35:57,016 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 129 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:57,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 488 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 492 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 04:35:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-09 04:35:57,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 343. [2024-11-09 04:35:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 293 states have (on average 1.2764505119453924) internal successors, (374), 293 states have internal predecessors, (374), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:35:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 466 transitions. [2024-11-09 04:35:57,058 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 466 transitions. Word has length 181 [2024-11-09 04:35:57,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:57,059 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 466 transitions. [2024-11-09 04:35:57,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:35:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 466 transitions. [2024-11-09 04:35:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:35:57,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:57,061 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:35:57,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 04:35:57,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (23)] Ended with exit code 0 [2024-11-09 04:35:57,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:35:57,467 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:57,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash 768396681, now seen corresponding path program 1 times [2024-11-09 04:35:57,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:57,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074340558] [2024-11-09 04:35:57,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:57,470 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 04:35:57,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:57,473 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:35:57,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (25)] Waiting until timeout for monitored process [2024-11-09 04:35:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:58,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 04:35:58,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:03,801 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 04:36:05,456 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 04:36:06,240 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 04:36:07,247 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 04:36:08,171 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 04:36:09,083 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 04:36:09,888 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 04:36:10,694 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 04:36:11,723 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 04:36:12,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:36:12,677 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 12 [2024-11-09 04:36:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 764 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-09 04:36:13,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:13,165 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_793 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_793) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))) is different from false [2024-11-09 04:36:13,222 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_793 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_791 (_ BitVec 32))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_791)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_793) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))) is different from false [2024-11-09 04:36:13,623 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_790 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_793 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_791 (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_790))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_791)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_793) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var5_Pointer~0.offset)))))) is different from false [2024-11-09 04:36:13,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:36:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074340558] [2024-11-09 04:36:13,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074340558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:36:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [779658480] [2024-11-09 04:36:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:13,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:36:13,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:36:13,838 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:36:13,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 04:36:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:15,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 04:36:15,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:21,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:36:21,250 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 12 [2024-11-09 04:36:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:36:21,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:36:21,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [779658480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:36:21,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:36:21,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 18 [2024-11-09 04:36:21,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912045722] [2024-11-09 04:36:21,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:36:21,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:36:21,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:36:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:36:21,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=368, Unknown=5, NotChecked=126, Total=600 [2024-11-09 04:36:21,381 INFO L87 Difference]: Start difference. First operand 343 states and 466 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:36:24,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:27,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:29,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:31,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:33,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:36:34,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:36:34,221 INFO L93 Difference]: Finished difference Result 646 states and 874 transitions. [2024-11-09 04:36:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:36:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 04:36:34,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:36:34,224 INFO L225 Difference]: With dead ends: 646 [2024-11-09 04:36:34,224 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 04:36:34,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=112, Invalid=401, Unknown=5, NotChecked=132, Total=650 [2024-11-09 04:36:34,226 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 122 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:36:34,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 496 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 422 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 04:36:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 04:36:34,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 328. [2024-11-09 04:36:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 278 states have internal predecessors, (352), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:36:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 444 transitions. [2024-11-09 04:36:34,265 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 444 transitions. Word has length 181 [2024-11-09 04:36:34,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:36:34,266 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 444 transitions. [2024-11-09 04:36:34,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:36:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 444 transitions. [2024-11-09 04:36:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:36:34,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:36:34,268 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:34,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (25)] Forceful destruction successful, exit code 0 [2024-11-09 04:36:34,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 04:36:34,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:36:34,669 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:36:34,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:36:34,669 INFO L85 PathProgramCache]: Analyzing trace with hash 882655245, now seen corresponding path program 1 times [2024-11-09 04:36:34,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:36:34,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581153702] [2024-11-09 04:36:34,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:34,670 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 04:36:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:36:34,672 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:36:34,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (27)] Waiting until timeout for monitored process [2024-11-09 04:36:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:35,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 04:36:35,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:38,470 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 04:36:40,968 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 31 treesize of output 26 [2024-11-09 04:36:42,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-09 04:36:44,474 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 43 treesize of output 32 [2024-11-09 04:36:45,616 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 43 treesize of output 32 [2024-11-09 04:36:46,856 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 43 treesize of output 32 [2024-11-09 04:36:48,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-09 04:36:49,484 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 43 treesize of output 32 [2024-11-09 04:36:50,601 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 43 treesize of output 32 [2024-11-09 04:36:51,861 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 43 treesize of output 32 [2024-11-09 04:36:53,394 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 43 treesize of output 32 [2024-11-09 04:36:54,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2024-11-09 04:36:54,888 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 51 treesize of output 38 [2024-11-09 04:36:55,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2024-11-09 04:36:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 68 proven. 804 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-09 04:36:56,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:57,421 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))))) is different from false [2024-11-09 04:36:57,808 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))) (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))))) (not |c_ULTIMATE.start_step_#t~short19#1|)) (or |c_ULTIMATE.start_step_#t~short19#1| (let ((.cse5 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))) (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))))))))))) is different from false [2024-11-09 04:36:58,063 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base)) (.cse4 (= ((_ extract 7 0) (select (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))) (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))))) .cse4) (or (let ((.cse6 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))) (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))))) (not .cse4)))) is different from false [2024-11-09 04:36:59,696 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) (_ bv1 8))) (.cse7 ((_ sign_extend 24) (_ bv0 8)))) (and (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_870))) (or (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (not (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (= ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_870))) (or (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (= ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_870))) (or (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse7)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (not (= ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))) (forall ((v_ArrVal_870 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_870))) (or (forall ((v_ArrVal_873 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store (store .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse7)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_873))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))) (not (= ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))))) is different from false [2024-11-09 04:37:01,413 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:37:01,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581153702] [2024-11-09 04:37:01,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581153702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:37:01,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1557285572] [2024-11-09 04:37:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:01,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:37:01,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:37:01,415 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:37:01,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 04:37:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:03,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-09 04:37:03,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:06,382 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 04:37:07,902 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 04:37:09,332 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 04:37:10,756 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 27 treesize of output 20 [2024-11-09 04:37:11,806 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 27 treesize of output 20 [2024-11-09 04:37:12,864 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 27 treesize of output 20 [2024-11-09 04:37:13,936 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 27 treesize of output 20 [2024-11-09 04:37:15,075 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 27 treesize of output 20 [2024-11-09 04:37:15,921 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 27 treesize of output 20 [2024-11-09 04:37:16,845 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 27 treesize of output 20 [2024-11-09 04:37:18,109 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 27 treesize of output 20 [2024-11-09 04:37:18,936 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 31 treesize of output 26 [2024-11-09 04:37:19,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2024-11-09 04:37:20,383 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 58 treesize of output 34 [2024-11-09 04:37:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 68 proven. 804 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-09 04:37:20,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:37:20,916 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))))))) is different from false [2024-11-09 04:37:21,296 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))))) |c_ULTIMATE.start_step_#t~short19#1|) (or (let ((.cse5 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))))) (not |c_ULTIMATE.start_step_#t~short19#1|)))) is different from false [2024-11-09 04:37:21,508 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base)) (.cse4 (= ((_ extract 7 0) (select (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)) (_ bv0 8)))))))) .cse4) (or (let ((.cse6 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))))) (not .cse4)))) is different from false [2024-11-09 04:37:22,341 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ sign_extend 24) (_ bv1 8))) (.cse2 ((_ sign_extend 24) (_ bv0 8)))) (and (forall ((v_ArrVal_918 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_918))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))))) (forall ((v_ArrVal_918 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_918))) (or (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse5)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv0 32))))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))) (forall ((v_ArrVal_918 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_918))) (or (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse5)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))) (_ bv1 32))))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))) (forall ((v_ArrVal_918 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_918))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (forall ((v_ArrVal_921 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset .cse2)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_921))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))))))))) is different from false [2024-11-09 04:37:23,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1557285572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:37:23,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280080862] [2024-11-09 04:37:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:23,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:37:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:37:23,781 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:37:23,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 04:37:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:25,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 04:37:25,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:32,310 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 39 treesize of output 23 [2024-11-09 04:37:33,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 34 [2024-11-09 04:37:34,163 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 68 treesize of output 40 [2024-11-09 04:37:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-09 04:37:34,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:37:34,928 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_955 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_955))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_955 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_955))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))))) is different from false [2024-11-09 04:37:35,205 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (and (forall ((v_ArrVal_955 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_955))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))))) (forall ((v_ArrVal_955 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_955))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset)))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))))) (not |c_ULTIMATE.start_step_#t~short19#1|)) (or (let ((.cse5 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (and (forall ((v_ArrVal_955 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_955))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset))))))) (forall ((v_ArrVal_955 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_955))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset))))))))) |c_ULTIMATE.start_step_#t~short19#1|))) is different from false [2024-11-09 04:37:35,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:37:35,788 INFO L349 Elim1Store]: treesize reduction 32, result has 63.2 percent of original size [2024-11-09 04:37:35,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 202 treesize of output 185 [2024-11-09 04:37:35,918 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:37:35,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 469 treesize of output 436 [2024-11-09 04:37:36,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:37:36,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 283 [2024-11-09 04:37:36,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:37:36,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 244 treesize of output 247 [2024-11-09 04:37:36,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:37:36,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 241 [2024-11-09 04:37:36,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:37:36,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 232 treesize of output 237 [2024-11-09 04:37:36,251 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:37:36,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 233 [2024-11-09 04:37:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:37:38,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280080862] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:37:38,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:37:38,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [24, 23, 12] total 48 [2024-11-09 04:37:38,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852210851] [2024-11-09 04:37:38,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:38,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 04:37:38,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:37:38,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 04:37:38,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1833, Unknown=10, NotChecked=970, Total=3080 [2024-11-09 04:37:38,457 INFO L87 Difference]: Start difference. First operand 328 states and 444 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:37:41,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:43,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:48,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:50,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:53,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:53,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:53,683 INFO L93 Difference]: Finished difference Result 618 states and 833 transitions. [2024-11-09 04:37:53,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:37:53,683 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 04:37:53,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:53,685 INFO L225 Difference]: With dead ends: 618 [2024-11-09 04:37:53,685 INFO L226 Difference]: Without dead ends: 356 [2024-11-09 04:37:53,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 739 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=312, Invalid=2474, Unknown=10, NotChecked=1110, Total=3906 [2024-11-09 04:37:53,687 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 163 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 432 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:53,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 914 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 5 Unknown, 432 Unchecked, 13.6s Time] [2024-11-09 04:37:53,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-09 04:37:53,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 324. [2024-11-09 04:37:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 274 states have (on average 1.27007299270073) internal successors, (348), 274 states have internal predecessors, (348), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:37:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 440 transitions. [2024-11-09 04:37:53,730 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 440 transitions. Word has length 181 [2024-11-09 04:37:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:53,731 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 440 transitions. [2024-11-09 04:37:53,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:37:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 440 transitions. [2024-11-09 04:37:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:37:53,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:53,733 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:53,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (27)] Ended with exit code 0 [2024-11-09 04:37:53,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 04:37:54,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 04:37:54,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:37:54,334 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:54,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1461454345, now seen corresponding path program 1 times [2024-11-09 04:37:54,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:37:54,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411628875] [2024-11-09 04:37:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:54,336 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 04:37:54,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:37:54,340 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:37:54,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (30)] Waiting until timeout for monitored process [2024-11-09 04:37:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:55,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 04:37:55,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:59,304 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 04:38:01,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:38:02,223 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 04:38:03,016 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 04:38:03,998 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 04:38:05,082 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 04:38:06,088 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 04:38:06,907 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 04:38:07,692 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 04:38:08,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:38:09,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:38:09,719 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 12 [2024-11-09 04:38:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 792 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 04:38:09,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:10,079 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1001 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_1001) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)))) is different from false [2024-11-09 04:38:10,687 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1001 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1000 (_ BitVec 32)) (v_ArrVal_998 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base v_ArrVal_998))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0.offset v_ArrVal_1000)) c_~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base v_ArrVal_1001) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var4_Pointer~0.offset)))))) is different from false [2024-11-09 04:38:10,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:10,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411628875] [2024-11-09 04:38:10,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411628875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:38:10,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [666293656] [2024-11-09 04:38:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:10,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:38:10,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:38:10,900 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:38:10,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 04:38:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 04:38:12,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:18,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 04:38:19,028 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 12 [2024-11-09 04:38:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:38:19,259 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:19,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [666293656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:19,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:38:19,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 19 [2024-11-09 04:38:19,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61053852] [2024-11-09 04:38:19,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:19,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:38:19,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:19,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:38:19,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=424, Unknown=23, NotChecked=90, Total=650 [2024-11-09 04:38:19,262 INFO L87 Difference]: Start difference. First operand 324 states and 440 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:38:22,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:24,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:27,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:28,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:30,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:31,290 INFO L93 Difference]: Finished difference Result 604 states and 818 transitions. [2024-11-09 04:38:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:38:31,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-09 04:38:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:31,294 INFO L225 Difference]: With dead ends: 604 [2024-11-09 04:38:31,295 INFO L226 Difference]: Without dead ends: 346 [2024-11-09 04:38:31,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=126, Invalid=459, Unknown=23, NotChecked=94, Total=702 [2024-11-09 04:38:31,296 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 176 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:31,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 440 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 528 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-09 04:38:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-09 04:38:31,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 292. [2024-11-09 04:38:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 242 states have (on average 1.2644628099173554) internal successors, (306), 242 states have internal predecessors, (306), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:38:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 398 transitions. [2024-11-09 04:38:31,336 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 398 transitions. Word has length 181 [2024-11-09 04:38:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:31,336 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 398 transitions. [2024-11-09 04:38:31,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:38:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 398 transitions. [2024-11-09 04:38:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 04:38:31,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:31,339 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:31,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (30)] Ended with exit code 0 [2024-11-09 04:38:31,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 04:38:31,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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=3,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:38:31,740 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:31,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:31,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1496105888, now seen corresponding path program 1 times [2024-11-09 04:38:31,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:31,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826338730] [2024-11-09 04:38:31,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:31,742 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 04:38:31,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:31,743 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:38:31,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (32)] Waiting until timeout for monitored process [2024-11-09 04:38:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:32,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:38:32,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:32,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 04:38:32,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:32,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:32,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826338730] [2024-11-09 04:38:32,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826338730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:32,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:32,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:38:32,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442350567] [2024-11-09 04:38:32,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:32,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:38:32,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:32,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:38:32,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:38:32,406 INFO L87 Difference]: Start difference. First operand 292 states and 398 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:38:32,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:32,534 INFO L93 Difference]: Finished difference Result 521 states and 710 transitions. [2024-11-09 04:38:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:38:32,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-09 04:38:32,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:32,537 INFO L225 Difference]: With dead ends: 521 [2024-11-09 04:38:32,537 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 04:38:32,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 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 04:38:32,538 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:32,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:38:32,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 04:38:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-09 04:38:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 245 states have (on average 1.2612244897959184) internal successors, (309), 245 states have internal predecessors, (309), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 04:38:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 401 transitions. [2024-11-09 04:38:32,579 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 401 transitions. Word has length 182 [2024-11-09 04:38:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:32,580 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 401 transitions. [2024-11-09 04:38:32,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 04:38:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 401 transitions. [2024-11-09 04:38:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 04:38:32,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:32,582 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:32,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (32)] Forceful destruction successful, exit code 0 [2024-11-09 04:38:32,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:38:32,783 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:32,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1423967867, now seen corresponding path program 1 times [2024-11-09 04:38:32,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:32,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013987088] [2024-11-09 04:38:32,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:32,785 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 04:38:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:32,789 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:38:32,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (33)] Waiting until timeout for monitored process [2024-11-09 04:38:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:33,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 04:38:33,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:40,532 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 04:38:42,278 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 27 treesize of output 20 [2024-11-09 04:38:43,210 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 27 treesize of output 20 [2024-11-09 04:38:44,003 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 27 treesize of output 20 [2024-11-09 04:38:45,004 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 36 treesize of output 27 [2024-11-09 04:38:45,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2024-11-09 04:38:46,924 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 72 treesize of output 40 [2024-11-09 04:38:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 49 proven. 500 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-09 04:38:47,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:48,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:48,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013987088] [2024-11-09 04:38:48,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013987088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:38:48,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1467481638] [2024-11-09 04:38:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:48,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:38:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:38:48,209 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:38:48,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 04:38:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:50,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 04:38:50,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:56,831 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 04:38:57,719 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 12 [2024-11-09 04:38:58,384 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 12 [2024-11-09 04:38:59,044 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 12 [2024-11-09 04:38:59,959 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 21 [2024-11-09 04:39:00,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-09 04:39:01,771 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 62 treesize of output 34 [2024-11-09 04:39:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-09 04:39:01,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:39:02,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1467481638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:39:02,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631167863] [2024-11-09 04:39:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:39:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:39:02,309 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:39:02,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 04:39:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:39:13,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:39:13,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:39:19,738 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 04:39:23,154 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 35 treesize of output 26 [2024-11-09 04:39:24,140 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 35 treesize of output 26 [2024-11-09 04:39:25,049 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 35 treesize of output 26 [2024-11-09 04:39:26,330 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 44 treesize of output 31 [2024-11-09 04:39:27,139 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 27 treesize of output 20 [2024-11-09 04:39:29,986 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 69 treesize of output 41 [2024-11-09 04:39:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 64 proven. 500 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-09 04:39:30,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:39:31,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631167863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:39:31,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:39:31,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 23] total 39 [2024-11-09 04:39:31,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632013199] [2024-11-09 04:39:31,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:39:31,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-09 04:39:31,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:39:31,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-09 04:39:31,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=2311, Unknown=30, NotChecked=0, Total=2652 [2024-11-09 04:39:31,888 INFO L87 Difference]: Start difference. First operand 295 states and 401 transitions. Second operand has 40 states, 36 states have (on average 5.166666666666667) internal successors, (186), 34 states have internal predecessors, (186), 11 states have call successors, (39), 10 states have call predecessors, (39), 11 states have return successors, (39), 9 states have call predecessors, (39), 11 states have call successors, (39) [2024-11-09 04:39:42,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:39:44,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:39:45,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:39:52,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:39:56,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:39:57,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:40:00,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:40:09,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:40:11,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:40:13,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:40:14,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:40:14,416 INFO L93 Difference]: Finished difference Result 561 states and 704 transitions. [2024-11-09 04:40:14,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-09 04:40:14,418 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 36 states have (on average 5.166666666666667) internal successors, (186), 34 states have internal predecessors, (186), 11 states have call successors, (39), 10 states have call predecessors, (39), 11 states have return successors, (39), 9 states have call predecessors, (39), 11 states have call successors, (39) Word has length 184 [2024-11-09 04:40:14,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:40:14,420 INFO L225 Difference]: With dead ends: 561 [2024-11-09 04:40:14,421 INFO L226 Difference]: Without dead ends: 559 [2024-11-09 04:40:14,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 618 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=968, Invalid=5974, Unknown=30, NotChecked=0, Total=6972 [2024-11-09 04:40:14,424 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 1019 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 137 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:40:14,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 1267 Invalid, 2517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2373 Invalid, 7 Unknown, 0 Unchecked, 35.4s Time] [2024-11-09 04:40:14,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-09 04:40:14,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 471. [2024-11-09 04:40:14,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 405 states have (on average 1.2123456790123457) internal successors, (491), 406 states have internal predecessors, (491), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 04:40:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 603 transitions. [2024-11-09 04:40:14,525 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 603 transitions. Word has length 184 [2024-11-09 04:40:14,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:40:14,526 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 603 transitions. [2024-11-09 04:40:14,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 36 states have (on average 5.166666666666667) internal successors, (186), 34 states have internal predecessors, (186), 11 states have call successors, (39), 10 states have call predecessors, (39), 11 states have return successors, (39), 9 states have call predecessors, (39), 11 states have call successors, (39) [2024-11-09 04:40:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 603 transitions. [2024-11-09 04:40:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 04:40:14,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:40:14,529 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:14,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 04:40:14,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (33)] Forceful destruction successful, exit code 0 [2024-11-09 04:40:14,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 04:40:15,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:40:15,130 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:40:15,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:40:15,131 INFO L85 PathProgramCache]: Analyzing trace with hash 579962365, now seen corresponding path program 1 times [2024-11-09 04:40:15,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:40:15,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823008088] [2024-11-09 04:40:15,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:40:15,132 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 04:40:15,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:40:15,133 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 04:40:15,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09457d5d-438a-4eca-b469-a1f5766a396c/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 (36)] Waiting until timeout for monitored process