./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:53:49,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:53:49,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:53:49,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:53:49,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:53:49,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:53:49,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:53:49,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:53:49,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:53:49,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:53:49,382 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:53:49,382 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:53:49,383 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:53:49,383 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:53:49,385 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:53:49,386 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:53:49,387 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:53:49,389 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:53:49,390 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:53:49,390 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:53:49,390 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:53:49,391 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:53:49,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:53:49,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:53:49,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:53:49,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:53:49,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:53:49,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:53:49,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:53:49,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:53:49,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:53:49,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:53:49,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:53:49,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:53:49,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:53:49,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:53:49,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:53:49,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:53:49,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:53:49,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:53:49,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:53:49,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:53:49,400 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:53:49,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:53:49,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:53:49,401 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:53:49,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:53:49,402 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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f [2024-11-09 04:53:49,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:53:49,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:53:49,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:53:49,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:53:49,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:53:49,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i Unable to find full path for "g++" [2024-11-09 04:53:51,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:53:51,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:53:51,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-09 04:53:51,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data/9ca6510d4/d93dddbff8cb439d9a3b173212f996da/FLAGdc6b3bfc8 [2024-11-09 04:53:52,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data/9ca6510d4/d93dddbff8cb439d9a3b173212f996da [2024-11-09 04:53:52,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:53:52,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:53:52,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:52,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:53:52,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:53:52,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdd5dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52, skipping insertion in model container [2024-11-09 04:53:52,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:53:52,250 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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-09 04:53:52,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:53:52,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:53:52,368 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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-09 04:53:52,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:53:52,446 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:53:52,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52 WrapperNode [2024-11-09 04:53:52,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:52,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:53:52,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:53:52,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:53:52,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,524 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 673 [2024-11-09 04:53:52,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:53:52,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:53:52,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:53:52,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:53:52,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:53:52,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:53:52,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:53:52,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:53:52,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (1/1) ... [2024-11-09 04:53:52,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:53:52,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:53:52,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:53:52,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:53:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:53:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:53:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:53:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:53:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:53:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:53:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:53:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:53:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:53:52,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:53:52,886 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:53:53,773 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2024-11-09 04:53:53,776 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:53:54,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:53:54,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:53:54,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:54 BoogieIcfgContainer [2024-11-09 04:53:54,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:53:54,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:53:54,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:53:54,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:53:54,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:53:52" (1/3) ... [2024-11-09 04:53:54,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ad7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:53:54, skipping insertion in model container [2024-11-09 04:53:54,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:52" (2/3) ... [2024-11-09 04:53:54,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ad7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:53:54, skipping insertion in model container [2024-11-09 04:53:54,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:54" (3/3) ... [2024-11-09 04:53:54,704 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-09 04:53:54,724 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:53:54,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:53:54,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:53:54,811 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;@60323806, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:53:54,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:53:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:53:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 04:53:54,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:53:54,825 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:53:54,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:53:54,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:53:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1602503252, now seen corresponding path program 1 times [2024-11-09 04:53:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:53:54,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452479500] [2024-11-09 04:53:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:53:54,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:53:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:53:58,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:53:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:54:00,031 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:54:00,033 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:54:00,034 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:54:00,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:54:00,041 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:54:00,178 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:54:00,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:54:00 BoogieIcfgContainer [2024-11-09 04:54:00,185 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:54:00,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:54:00,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:54:00,187 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:54:00,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:54" (3/4) ... [2024-11-09 04:54:00,190 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:54:00,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:54:00,193 INFO L158 Benchmark]: Toolchain (without parser) took 8179.17ms. Allocated memory was 192.9MB in the beginning and 312.5MB in the end (delta: 119.5MB). Free memory was 154.5MB in the beginning and 104.3MB in the end (delta: 50.2MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. [2024-11-09 04:54:00,193 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:54:00,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.35ms. Allocated memory is still 192.9MB. Free memory was 154.5MB in the beginning and 135.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 04:54:00,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.44ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 130.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 04:54:00,194 INFO L158 Benchmark]: Boogie Preprocessor took 65.38ms. Allocated memory is still 192.9MB. Free memory was 130.5MB in the beginning and 127.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:54:00,195 INFO L158 Benchmark]: RCFGBuilder took 2102.69ms. Allocated memory is still 192.9MB. Free memory was 127.3MB in the beginning and 145.2MB in the end (delta: -18.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-09 04:54:00,195 INFO L158 Benchmark]: TraceAbstraction took 5489.68ms. Allocated memory was 192.9MB in the beginning and 312.5MB in the end (delta: 119.5MB). Free memory was 144.2MB in the beginning and 104.3MB in the end (delta: 39.9MB). Peak memory consumption was 182.3MB. Max. memory is 16.1GB. [2024-11-09 04:54:00,196 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 312.5MB. Free memory was 104.3MB in the beginning and 104.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:54:00,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.35ms. Allocated memory is still 192.9MB. Free memory was 154.5MB in the beginning and 135.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.44ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 130.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.38ms. Allocated memory is still 192.9MB. Free memory was 130.5MB in the beginning and 127.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2102.69ms. Allocated memory is still 192.9MB. Free memory was 127.3MB in the beginning and 145.2MB in the end (delta: -18.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5489.68ms. Allocated memory was 192.9MB in the beginning and 312.5MB in the end (delta: 119.5MB). Free memory was 144.2MB in the beginning and 104.3MB in the end (delta: 39.9MB). Peak memory consumption was 182.3MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 312.5MB. Free memory was 104.3MB in the beginning and 104.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of shiftRight at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [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-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L32] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L33] float* float_Array_0_arrayfloat_Array_0arrayVar1_Pointer = &(float_Array_0[1]); [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L37] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L38] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L42] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer = &(unsigned_short_int_Array_0[0][0]); [L43] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer = &(unsigned_short_int_Array_0[1][0]); [L44] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer = &(unsigned_short_int_Array_0[0][1]); [L45] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer = &(unsigned_short_int_Array_0[1][1]); [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L77] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L78] 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L78] 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L78] 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L80] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L83] float_Array_0[0] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[0] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L84] EXPR float_Array_0[0] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L84] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L85] float_Array_0[1] = __VERIFIER_nondet_float() [L86] EXPR float_Array_0[1] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L86] EXPR float_Array_0[1] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L86] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L87] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] EXPR signed_short_int_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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L90] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L91] CALL assume_abort_if_not(unsigned_short_int_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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_short_int_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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] EXPR unsigned_short_int_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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L93] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L94] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L94] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L96] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L97] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L111] RET updateVariables() [L112] CALL step() [L49] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L49] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) [L49] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L49] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) [L49] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) = (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))) [L50] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L50] EXPR 50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) [L50] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L50] COND FALSE !((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L53] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L53] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) = (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))) [L55] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) [L55] COND TRUE ! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L56] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L56] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L56] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L56] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L56] COND FALSE !((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) [L59] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L59] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) = (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) [L62] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L62] COND FALSE !((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) [L73] (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) = 50 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50)) [L103] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L103] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))) [L103] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) [L103] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) [L103] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L103] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L103] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))) [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50)) [L103] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))))) [L103] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))))) [L103] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) [L103-L104] return (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) ; [L113] RET, EXPR property() [L113] 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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [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={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred 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, 3.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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 04:54:00,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:54:02,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:54:02,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:54:02,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:54:02,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:54:02,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:54:02,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:54:02,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:54:02,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:54:02,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:54:02,811 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:54:02,811 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:54:02,811 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:54:02,812 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:54:02,812 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:54:02,812 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:54:02,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:54:02,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:54:02,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:54:02,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:54:02,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:54:02,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:54:02,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:54:02,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:54:02,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:54:02,818 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:54:02,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:54:02,819 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:54:02,819 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:54:02,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:54:02,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:54:02,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:54:02,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:54:02,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:54:02,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:54:02,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:54:02,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:54:02,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:54:02,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:54:02,823 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:54:02,823 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:02,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:54:02,835 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:54:02,836 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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f [2024-11-09 04:54:03,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:54:03,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:54:03,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:54:03,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:54:03,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:54:03,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i Unable to find full path for "g++" [2024-11-09 04:54:05,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:54:05,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:54:05,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-09 04:54:05,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data/1eede731c/a378633b4d2546c4883b82fbc3c1f922/FLAGe5c5d2c1b [2024-11-09 04:54:05,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/data/1eede731c/a378633b4d2546c4883b82fbc3c1f922 [2024-11-09 04:54:05,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:54:05,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:54:05,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:54:05,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:54:05,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:54:05,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:54:05" (1/1) ... [2024-11-09 04:54:05,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efb556d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:05, skipping insertion in model container [2024-11-09 04:54:05,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:54:05" (1/1) ... [2024-11-09 04:54:05,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:54:05,840 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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-09 04:54:05,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:54:05,985 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:54:06,001 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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-11-09 04:54:06,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:54:06,135 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:54:06,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06 WrapperNode [2024-11-09 04:54:06,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:54:06,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:54:06,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:54:06,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:54:06,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,261 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 658 [2024-11-09 04:54:06,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:54:06,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:54:06,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:54:06,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:54:06,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:54:06,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:54:06,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:54:06,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:54:06,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (1/1) ... [2024-11-09 04:54:06,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:54:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:06,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:54:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:54:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:54:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 04:54:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 04:54:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:54:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 04:54:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 04:54:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 04:54:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 04:54:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:54:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:54:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:54:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:54:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 04:54:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 04:54:06,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:54:06,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:54:07,523 INFO L? ?]: Removed 212 outVars from TransFormulas that were not future-live. [2024-11-09 04:54:07,523 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:54:07,539 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:54:07,539 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:54:07,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:54:07 BoogieIcfgContainer [2024-11-09 04:54:07,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:54:07,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:54:07,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:54:07,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:54:07,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:54:05" (1/3) ... [2024-11-09 04:54:07,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d03e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:54:07, skipping insertion in model container [2024-11-09 04:54:07,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:06" (2/3) ... [2024-11-09 04:54:07,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d03e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:54:07, skipping insertion in model container [2024-11-09 04:54:07,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:54:07" (3/3) ... [2024-11-09 04:54:07,551 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-49.i [2024-11-09 04:54:07,567 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:54:07,567 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:54:07,634 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:54:07,641 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;@5026085b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:54:07,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:54:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:54:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 04:54:07,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:07,664 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:07,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:07,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:07,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1201015710, now seen corresponding path program 1 times [2024-11-09 04:54:07,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:07,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092098155] [2024-11-09 04:54:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:07,699 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 04:54:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:07,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:08,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:54:08,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-09 04:54:08,137 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:54:08,138 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092098155] [2024-11-09 04:54:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092098155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:54:08,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:54:08,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:54:08,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469365716] [2024-11-09 04:54:08,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:54:08,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:54:08,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:54:08,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:54:08,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:54:08,174 INFO L87 Difference]: Start difference. First operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:54:08,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:08,223 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2024-11-09 04:54:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:54:08,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-09 04:54:08,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:08,235 INFO L225 Difference]: With dead ends: 253 [2024-11-09 04:54:08,235 INFO L226 Difference]: Without dead ends: 126 [2024-11-09 04:54:08,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 04:54:08,242 INFO L432 NwaCegarLoop]: 188 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, 188 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 04:54:08,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:54:08,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-09 04:54:08,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-09 04:54:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:54:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2024-11-09 04:54:08,289 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 115 [2024-11-09 04:54:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:08,289 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2024-11-09 04:54:08,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:54:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2024-11-09 04:54:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 04:54:08,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:08,295 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:08,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:08,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:08,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:08,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:08,499 INFO L85 PathProgramCache]: Analyzing trace with hash -772027578, now seen corresponding path program 1 times [2024-11-09 04:54:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:08,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537444553] [2024-11-09 04:54:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:08,501 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 04:54:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:08,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:08,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:08,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:54:08,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-09 04:54:08,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:54:08,911 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:08,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537444553] [2024-11-09 04:54:08,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537444553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:54:08,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:54:08,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:54:08,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313424962] [2024-11-09 04:54:08,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:54:08,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:54:08,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:54:08,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:54:08,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:54:08,918 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:54:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:08,996 INFO L93 Difference]: Finished difference Result 251 states and 376 transitions. [2024-11-09 04:54:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:54:09,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-09 04:54:09,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:09,004 INFO L225 Difference]: With dead ends: 251 [2024-11-09 04:54:09,007 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 04:54:09,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 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 04:54:09,009 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:54:09,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 547 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:54:09,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 04:54:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-09 04:54:09,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 112 states have internal predecessors, (162), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:54:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 190 transitions. [2024-11-09 04:54:09,036 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 190 transitions. Word has length 115 [2024-11-09 04:54:09,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:09,037 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 190 transitions. [2024-11-09 04:54:09,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:54:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions. [2024-11-09 04:54:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 04:54:09,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:09,044 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:09,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:54:09,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:09,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:09,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:09,245 INFO L85 PathProgramCache]: Analyzing trace with hash -799093180, now seen corresponding path program 1 times [2024-11-09 04:54:09,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:09,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563225239] [2024-11-09 04:54:09,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:09,247 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 04:54:09,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:09,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:09,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:09,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:54:09,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:09,685 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 04:54:09,749 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 37 treesize of output 25 [2024-11-09 04:54:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:54:09,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:54:09,777 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:09,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563225239] [2024-11-09 04:54:09,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563225239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:54:09,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:54:09,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:54:09,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080867672] [2024-11-09 04:54:09,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:54:09,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:54:09,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:54:09,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:54:09,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:54:09,782 INFO L87 Difference]: Start difference. First operand 128 states and 190 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:54:10,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:10,408 INFO L93 Difference]: Finished difference Result 304 states and 452 transitions. [2024-11-09 04:54:10,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:54:10,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-11-09 04:54:10,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:10,413 INFO L225 Difference]: With dead ends: 304 [2024-11-09 04:54:10,414 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 04:54:10,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:54:10,419 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 72 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:54:10,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 517 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 04:54:10,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 04:54:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 132. [2024-11-09 04:54:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.4396551724137931) internal successors, (167), 116 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:54:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2024-11-09 04:54:10,444 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 115 [2024-11-09 04:54:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:10,445 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2024-11-09 04:54:10,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:54:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2024-11-09 04:54:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 04:54:10,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:10,451 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:10,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:10,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:10,652 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:10,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1025288383, now seen corresponding path program 1 times [2024-11-09 04:54:10,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:10,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272167909] [2024-11-09 04:54:10,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:10,654 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 04:54:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:10,657 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:10,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:11,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 04:54:11,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:11,565 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 04:54:12,730 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 04:54:13,435 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 04:54:13,889 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 04:54:14,300 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 04:54:14,744 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 04:54:15,121 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 04:54:15,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:54:15,864 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 18 treesize of output 13 [2024-11-09 04:54:15,919 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 04:54:15,958 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 18 treesize of output 10 [2024-11-09 04:54:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-09 04:54:16,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:16,230 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_99 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_100 (_ BitVec 32))) (= (_ bv0 8) ((_ extract 7 0) (select (select (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_99))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_100))) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.offset)))) is different from false [2024-11-09 04:54:16,284 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272167909] [2024-11-09 04:54:16,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272167909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1323811774] [2024-11-09 04:54:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:16,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:16,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:54:16,289 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:54:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 04:54:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:17,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 04:54:17,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:17,581 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 04:54:18,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 04:54:19,465 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 04:54:19,886 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 04:54:20,334 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 04:54:20,838 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 04:54:21,208 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 04:54:21,549 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 04:54:21,947 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 04:54:22,039 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 04:54:22,102 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 04:54:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-09 04:54:22,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:22,234 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_133 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_100 (_ BitVec 32))) (= (_ bv0 8) ((_ extract 7 0) (select (select (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_133))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_100))) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.offset)))) is different from false [2024-11-09 04:54:22,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1323811774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:22,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140362656] [2024-11-09 04:54:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:22,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:54:22,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:22,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:54:22,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:54:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:22,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 04:54:22,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:24,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:54:24,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:54:25,220 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 04:54:25,552 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 04:54:26,234 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 30 [2024-11-09 04:54:26,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2024-11-09 04:54:26,651 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 56 treesize of output 43 [2024-11-09 04:54:27,008 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 66 treesize of output 38 [2024-11-09 04:54:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 5 proven. 255 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:54:27,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:27,702 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_165 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_165))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvslt .cse0 (_ bv0 32))))))) is different from false [2024-11-09 04:54:27,763 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem9#1|))) (forall ((v_ArrVal_164 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_165 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_164) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_165))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (not (bvslt .cse0 (_ bv0 32))) (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))))))))) is different from false [2024-11-09 04:54:28,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140362656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:28,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:54:28,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 17] total 41 [2024-11-09 04:54:28,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882440144] [2024-11-09 04:54:28,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:54:28,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-09 04:54:28,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:54:28,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-09 04:54:28,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=2152, Unknown=58, NotChecked=396, Total=2862 [2024-11-09 04:54:28,734 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 42 states, 39 states have (on average 4.17948717948718) internal successors, (163), 38 states have internal predecessors, (163), 16 states have call successors, (42), 14 states have call predecessors, (42), 16 states have return successors, (42), 15 states have call predecessors, (42), 16 states have call successors, (42) [2024-11-09 04:54:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:38,833 INFO L93 Difference]: Finished difference Result 283 states and 412 transitions. [2024-11-09 04:54:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 04:54:38,834 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 39 states have (on average 4.17948717948718) internal successors, (163), 38 states have internal predecessors, (163), 16 states have call successors, (42), 14 states have call predecessors, (42), 16 states have return successors, (42), 15 states have call predecessors, (42), 16 states have call successors, (42) Word has length 117 [2024-11-09 04:54:38,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:38,835 INFO L225 Difference]: With dead ends: 283 [2024-11-09 04:54:38,836 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 04:54:38,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 366 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 4 IntricatePredicates, 1 DeprecatedPredicates, 1468 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=824, Invalid=4085, Unknown=77, NotChecked=564, Total=5550 [2024-11-09 04:54:38,839 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 943 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 2907 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 3219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 2907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:54:38,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1203 Invalid, 3219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 2907 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 04:54:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 04:54:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 140. [2024-11-09 04:54:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 122 states have (on average 1.4098360655737705) internal successors, (172), 122 states have internal predecessors, (172), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:54:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 200 transitions. [2024-11-09 04:54:38,881 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 200 transitions. Word has length 117 [2024-11-09 04:54:38,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:38,881 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 200 transitions. [2024-11-09 04:54:38,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 39 states have (on average 4.17948717948718) internal successors, (163), 38 states have internal predecessors, (163), 16 states have call successors, (42), 14 states have call predecessors, (42), 16 states have return successors, (42), 15 states have call predecessors, (42), 16 states have call successors, (42) [2024-11-09 04:54:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 200 transitions. [2024-11-09 04:54:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:54:38,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:38,889 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:38,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Ended with exit code 0 [2024-11-09 04:54:39,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 04:54:39,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 04:54:39,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:39,490 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:39,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:39,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1511680407, now seen corresponding path program 1 times [2024-11-09 04:54:39,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:39,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840067432] [2024-11-09 04:54:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:39,492 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 04:54:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:39,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:54:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:39,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 04:54:39,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:41,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:54:42,021 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 04:54:42,331 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 04:54:42,664 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 04:54:43,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-09 04:54:43,229 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 47 treesize of output 36 [2024-11-09 04:54:43,510 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 58 treesize of output 45 [2024-11-09 04:54:43,642 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 49 treesize of output 38 [2024-11-09 04:54:43,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2024-11-09 04:54:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:54:44,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:44,380 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_198 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_198))) (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))))))) is different from false [2024-11-09 04:54:44,662 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem9#1|))) (forall ((v_ArrVal_196 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_197 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_198 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16))) (let ((.cse0 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_196))) (or (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (let ((.cse1 (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_197) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_198))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset)))))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))))) is different from false [2024-11-09 04:54:44,697 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) |c_ULTIMATE.start_step_#t~ite7#1|)))) (or (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) ((_ extract 15 0) .cse0)))) (forall ((v_ArrVal_196 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_197 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_198 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16))) (let ((.cse2 (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset .cse0)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_196))) (or (let ((.cse1 (store (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_197) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_198))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset)))))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))) (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))))) is different from false [2024-11-09 04:54:45,266 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:45,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840067432] [2024-11-09 04:54:45,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840067432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:45,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [351471779] [2024-11-09 04:54:45,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:45,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:45,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:54:45,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:54:45,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 04:54:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:46,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 04:54:46,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:48,149 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 04:54:49,196 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 04:54:49,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:54:50,225 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 04:54:51,087 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 47 treesize of output 34 [2024-11-09 04:54:51,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 49 [2024-11-09 04:54:51,825 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 75 treesize of output 58 [2024-11-09 04:54:52,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2024-11-09 04:54:52,470 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 76 treesize of output 44 [2024-11-09 04:54:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 5 proven. 255 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:54:52,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:52,915 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_230))) (let ((.cse1 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse1)))) (not (bvslt .cse1 (_ bv0 32))))))) is different from false [2024-11-09 04:54:53,434 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem9#1|))) (forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_228 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16)) (v_ArrVal_229 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_228))) (let ((.cse1 (store (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_229) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_230))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvslt .cse0 (_ bv0 32))))))))) is different from false [2024-11-09 04:54:53,491 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) ((_ extract 15 0) |c_ULTIMATE.start_step_#t~ite7#1|)))) (or (forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_228 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16)) (v_ArrVal_229 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset .cse3)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_228))) (let ((.cse0 (store (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_229) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_230))) (let ((.cse1 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse1)))) (not (bvslt .cse1 (_ bv0 32))) (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))))) (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) ((_ extract 15 0) .cse3)))))) is different from false [2024-11-09 04:54:54,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [351471779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:54,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543498522] [2024-11-09 04:54:54,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:54,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:54:54,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:54,437 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:54:54,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 04:54:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:54,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 04:54:54,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:56,347 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 04:54:57,040 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 17 treesize of output 12 [2024-11-09 04:54:57,422 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 04:54:57,807 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 04:54:58,604 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 38 treesize of output 29 [2024-11-09 04:54:58,817 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 34 [2024-11-09 04:54:59,347 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 54 treesize of output 43 [2024-11-09 04:54:59,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2024-11-09 04:54:59,696 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 76 treesize of output 44 [2024-11-09 04:54:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 24 proven. 236 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:54:59,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:59,960 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_262 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_262))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvslt .cse0 (_ bv0 32))))))) is different from false [2024-11-09 04:55:01,014 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) ((_ extract 15 0) |c_ULTIMATE.start_step_#t~ite7#1|)))) (or (forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_260 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16)) (v_ArrVal_229 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset .cse3)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_260))) (let ((.cse2 (store (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_229) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_230))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (not (bvslt .cse0 (_ bv0 32))) (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))))) (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) ((_ extract 15 0) .cse3)))))) is different from false [2024-11-09 04:55:02,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543498522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:02,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:55:02,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 16] total 36 [2024-11-09 04:55:02,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092084802] [2024-11-09 04:55:02,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:55:02,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 04:55:02,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:55:02,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 04:55:02,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2313, Unknown=78, NotChecked=872, Total=3660 [2024-11-09 04:55:02,011 INFO L87 Difference]: Start difference. First operand 140 states and 200 transitions. Second operand has 37 states, 36 states have (on average 3.25) internal successors, (117), 36 states have internal predecessors, (117), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (30), 8 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-09 04:55:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:11,870 INFO L93 Difference]: Finished difference Result 369 states and 531 transitions. [2024-11-09 04:55:11,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 04:55:11,872 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.25) internal successors, (117), 36 states have internal predecessors, (117), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (30), 8 states have call predecessors, (30), 9 states have call successors, (30) Word has length 119 [2024-11-09 04:55:11,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:11,874 INFO L225 Difference]: With dead ends: 369 [2024-11-09 04:55:11,874 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 04:55:11,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 368 SyntacticMatches, 5 SemanticMatches, 76 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 1683 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=810, Invalid=3974, Unknown=78, NotChecked=1144, Total=6006 [2024-11-09 04:55:11,876 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 900 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 2424 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 2536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:11,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1016 Invalid, 2536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2424 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-09 04:55:11,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 04:55:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-09 04:55:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.4432432432432432) internal successors, (267), 185 states have internal predecessors, (267), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:55:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 295 transitions. [2024-11-09 04:55:11,907 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 295 transitions. Word has length 119 [2024-11-09 04:55:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:11,908 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 295 transitions. [2024-11-09 04:55:11,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.25) internal successors, (117), 36 states have internal predecessors, (117), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (30), 8 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-09 04:55:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 295 transitions. [2024-11-09 04:55:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:55:11,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:11,910 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:11,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:12,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:12,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 04:55:12,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:55:12,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:12,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:12,512 INFO L85 PathProgramCache]: Analyzing trace with hash -23204048, now seen corresponding path program 1 times [2024-11-09 04:55:12,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:55:12,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651792625] [2024-11-09 04:55:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:12,513 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 04:55:12,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:55:12,514 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:55:12,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:55:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:12,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 04:55:12,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:14,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:14,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:14,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,998 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 25 treesize of output 13 [2024-11-09 04:55:16,090 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-09 04:55:16,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-09 04:55:16,190 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:55:16,191 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 31 treesize of output 27 [2024-11-09 04:55:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 04:55:16,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:16,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:55:16,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651792625] [2024-11-09 04:55:16,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651792625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:16,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [214447635] [2024-11-09 04:55:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:16,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:55:16,655 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:55:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 04:55:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:17,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:55:17,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:18,223 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 32 treesize of output 23 [2024-11-09 04:55:18,287 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 45 treesize of output 21 [2024-11-09 04:55:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:55:18,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:55:18,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [214447635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:18,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:55:18,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 19 [2024-11-09 04:55:18,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805825890] [2024-11-09 04:55:18,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:18,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:55:18,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:55:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:55:18,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=499, Unknown=12, NotChecked=0, Total=600 [2024-11-09 04:55:18,358 INFO L87 Difference]: Start difference. First operand 204 states and 295 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:55:19,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:19,618 INFO L93 Difference]: Finished difference Result 478 states and 695 transitions. [2024-11-09 04:55:19,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:55:19,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-09 04:55:19,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:19,621 INFO L225 Difference]: With dead ends: 478 [2024-11-09 04:55:19,622 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 04:55:19,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=95, Invalid=543, Unknown=12, NotChecked=0, Total=650 [2024-11-09 04:55:19,623 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 316 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:19,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 477 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 04:55:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 04:55:19,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 204. [2024-11-09 04:55:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.4324324324324325) internal successors, (265), 185 states have internal predecessors, (265), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:55:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 293 transitions. [2024-11-09 04:55:19,654 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 293 transitions. Word has length 119 [2024-11-09 04:55:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:19,655 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 293 transitions. [2024-11-09 04:55:19,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:55:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 293 transitions. [2024-11-09 04:55:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:55:19,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:19,657 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:19,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:19,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:20,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:55:20,058 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:20,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash -293757927, now seen corresponding path program 1 times [2024-11-09 04:55:20,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:55:20,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261576674] [2024-11-09 04:55:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:20,059 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 04:55:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:55:20,060 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:55:20,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-09 04:55:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:20,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 04:55:20,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:22,286 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 04:55:22,681 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 04:55:23,039 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 04:55:23,366 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 04:55:23,788 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 23 [2024-11-09 04:55:23,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:23,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:24,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:24,134 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 28 treesize of output 16 [2024-11-09 04:55:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:55:24,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:28,294 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32)))) (not (bvslt ((_ sign_extend 16) ((_ extract 15 0) (select (select (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_353) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_354) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))) (_ bv0 32)))) is different from false [2024-11-09 04:55:30,433 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~ite7#1| (_ BitVec 32))) (not (bvslt ((_ sign_extend 16) ((_ extract 15 0) (select (select (store (store (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite7#1|)))) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_352) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_353) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_354) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))) (_ bv0 32)))) is different from false [2024-11-09 04:55:30,596 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:55:30,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261576674] [2024-11-09 04:55:30,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261576674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:30,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [606608286] [2024-11-09 04:55:30,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:30,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:30,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:55:30,599 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:55:30,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 04:55:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:31,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:55:31,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:33,770 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 04:55:34,138 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 04:55:34,515 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 04:55:34,875 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 04:55:35,285 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 23 [2024-11-09 04:55:35,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:35,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:35,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:35,534 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 28 treesize of output 16 [2024-11-09 04:55:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:55:35,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:38,046 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_385 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_386 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~ite7#1| (_ BitVec 32))) (not (bvslt ((_ sign_extend 16) ((_ extract 15 0) (select (select (store (store (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite7#1|)))) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_385) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_386) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_354) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))) (_ bv0 32)))) is different from false [2024-11-09 04:55:42,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [606608286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:42,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137036364] [2024-11-09 04:55:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:42,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:55:42,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:42,959 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:55:42,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 04:55:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:43,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 04:55:43,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:45,826 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 23 [2024-11-09 04:55:45,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:45,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:46,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-11-09 04:55:46,081 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 28 treesize of output 16 [2024-11-09 04:55:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:55:48,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:55:48,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137036364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:48,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:55:48,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11, 11] total 12 [2024-11-09 04:55:48,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603847946] [2024-11-09 04:55:48,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:48,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 04:55:48,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:55:48,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 04:55:48,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=325, Unknown=59, NotChecked=126, Total=600 [2024-11-09 04:55:48,125 INFO L87 Difference]: Start difference. First operand 204 states and 293 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:55:50,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:50,356 INFO L93 Difference]: Finished difference Result 486 states and 704 transitions. [2024-11-09 04:55:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:55:50,357 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-09 04:55:50,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:50,358 INFO L225 Difference]: With dead ends: 486 [2024-11-09 04:55:50,358 INFO L226 Difference]: Without dead ends: 285 [2024-11-09 04:55:50,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 378 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=127, Invalid=376, Unknown=61, NotChecked=138, Total=702 [2024-11-09 04:55:50,360 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 580 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:50,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 584 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 04:55:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-09 04:55:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 261. [2024-11-09 04:55:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 242 states have (on average 1.4586776859504131) internal successors, (353), 242 states have internal predecessors, (353), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:55:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 381 transitions. [2024-11-09 04:55:50,384 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 381 transitions. Word has length 119 [2024-11-09 04:55:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:50,385 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 381 transitions. [2024-11-09 04:55:50,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:55:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 381 transitions. [2024-11-09 04:55:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:55:50,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:50,391 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:50,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:50,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:50,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 04:55:50,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:50,992 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:50,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:50,993 INFO L85 PathProgramCache]: Analyzing trace with hash -686784937, now seen corresponding path program 1 times [2024-11-09 04:55:50,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:55:50,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673977490] [2024-11-09 04:55:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:50,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:55:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:55:50,995 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:55:50,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-09 04:55:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:51,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 04:55:51,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:53,777 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 04:55:54,276 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 04:55:54,791 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 04:55:55,251 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 04:55:55,933 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 38 treesize of output 29 [2024-11-09 04:55:56,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-11-09 04:55:56,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-11-09 04:55:56,488 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 55 treesize of output 42 [2024-11-09 04:55:56,804 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 64 treesize of output 36 [2024-11-09 04:55:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:55:56,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:58,134 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:55:58,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673977490] [2024-11-09 04:55:58,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673977490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:58,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1493379155] [2024-11-09 04:55:58,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:58,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:55:58,136 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:55:58,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 04:55:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:59,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 04:55:59,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:01,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 04:56:01,735 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 04:56:02,216 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 04:56:02,770 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 04:56:03,354 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 38 treesize of output 29 [2024-11-09 04:56:03,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-11-09 04:56:03,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-11-09 04:56:03,742 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 55 treesize of output 42 [2024-11-09 04:56:04,031 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 64 treesize of output 36 [2024-11-09 04:56:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:56:04,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:06,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1493379155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:06,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879735869] [2024-11-09 04:56:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:06,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:56:06,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:56:06,511 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:56:06,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 04:56:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:06,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 04:56:06,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:10,003 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 30 treesize of output 25 [2024-11-09 04:56:10,209 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 47 treesize of output 36 [2024-11-09 04:56:10,524 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 47 treesize of output 36 [2024-11-09 04:56:10,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2024-11-09 04:56:11,186 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 56 treesize of output 32 [2024-11-09 04:56:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:56:11,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:56:11,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879735869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:56:11,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:56:11,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14, 14] total 23 [2024-11-09 04:56:11,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641731846] [2024-11-09 04:56:11,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:56:11,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:56:11,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:56:11,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:56:11,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1375, Unknown=61, NotChecked=0, Total=1640 [2024-11-09 04:56:11,307 INFO L87 Difference]: Start difference. First operand 261 states and 381 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:56:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:56:15,619 INFO L93 Difference]: Finished difference Result 600 states and 879 transitions. [2024-11-09 04:56:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 04:56:15,620 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-11-09 04:56:15,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:56:15,622 INFO L225 Difference]: With dead ends: 600 [2024-11-09 04:56:15,622 INFO L226 Difference]: Without dead ends: 342 [2024-11-09 04:56:15,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 364 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=305, Invalid=1704, Unknown=61, NotChecked=0, Total=2070 [2024-11-09 04:56:15,624 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 440 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:56:15,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1127 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 04:56:15,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-09 04:56:15,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 316. [2024-11-09 04:56:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 297 states have (on average 1.4747474747474747) internal successors, (438), 297 states have internal predecessors, (438), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:56:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 466 transitions. [2024-11-09 04:56:15,663 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 466 transitions. Word has length 119 [2024-11-09 04:56:15,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:56:15,664 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 466 transitions. [2024-11-09 04:56:15,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:56:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 466 transitions. [2024-11-09 04:56:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 04:56:15,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:56:15,667 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:15,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Ended with exit code 0 [2024-11-09 04:56:15,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 04:56:16,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 04:56:16,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:56:16,268 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:56:16,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:56:16,268 INFO L85 PathProgramCache]: Analyzing trace with hash 321985007, now seen corresponding path program 1 times [2024-11-09 04:56:16,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:56:16,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160698450] [2024-11-09 04:56:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:16,269 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 04:56:16,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:56:16,270 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:56:16,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:56:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:16,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 04:56:16,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:18,677 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 18 treesize of output 13 [2024-11-09 04:56:19,139 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 18 treesize of output 13 [2024-11-09 04:56:19,631 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 04:56:20,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:56:20,677 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 18 treesize of output 13 [2024-11-09 04:56:21,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:56:21,748 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 04:56:21,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 04:56:21,966 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-09 04:56:21,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2024-11-09 04:56:22,112 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 22 [2024-11-09 04:56:22,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:56:22,217 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 31 treesize of output 23 [2024-11-09 04:56:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 04:56:22,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:22,376 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_542 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_542) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset)) (_ bv0 8))) is different from false [2024-11-09 04:56:22,766 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_542 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_539 (_ BitVec 32)) (v_ArrVal_538 (Array (_ BitVec 32) (_ BitVec 32))) (~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset (_ BitVec 32))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_538))) (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_539))))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_542) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset)))) is different from false [2024-11-09 04:56:22,860 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:56:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160698450] [2024-11-09 04:56:22,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160698450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:22,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2113247919] [2024-11-09 04:56:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:22,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:56:22,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:56:22,864 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:56:22,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 04:56:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:23,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 04:56:23,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:24,742 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 33 treesize of output 24 [2024-11-09 04:56:24,822 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 46 treesize of output 22 [2024-11-09 04:56:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:56:24,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:56:24,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2113247919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:56:24,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:56:24,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-09 04:56:24,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484693376] [2024-11-09 04:56:24,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:56:24,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:56:24,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:56:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:56:24,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=471, Unknown=2, NotChecked=90, Total=650 [2024-11-09 04:56:24,947 INFO L87 Difference]: Start difference. First operand 316 states and 466 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:56:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:56:26,273 INFO L93 Difference]: Finished difference Result 676 states and 987 transitions. [2024-11-09 04:56:26,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:56:26,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-09 04:56:26,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:56:26,279 INFO L225 Difference]: With dead ends: 676 [2024-11-09 04:56:26,279 INFO L226 Difference]: Without dead ends: 363 [2024-11-09 04:56:26,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=97, Invalid=559, Unknown=2, NotChecked=98, Total=756 [2024-11-09 04:56:26,280 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 199 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:56:26,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 437 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 04:56:26,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-09 04:56:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 360. [2024-11-09 04:56:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 335 states have (on average 1.4388059701492537) internal successors, (482), 336 states have internal predecessors, (482), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 04:56:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 518 transitions. [2024-11-09 04:56:26,312 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 518 transitions. Word has length 121 [2024-11-09 04:56:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:56:26,313 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 518 transitions. [2024-11-09 04:56:26,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:56:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 518 transitions. [2024-11-09 04:56:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 04:56:26,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:56:26,315 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:26,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:56:26,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 04:56:26,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:56:26,716 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:56:26,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:56:26,717 INFO L85 PathProgramCache]: Analyzing trace with hash -554123095, now seen corresponding path program 1 times [2024-11-09 04:56:26,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:56:26,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522678113] [2024-11-09 04:56:26,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:26,718 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 04:56:26,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:56:26,719 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:56:26,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:56:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:27,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 04:56:27,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:28,398 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 04:56:29,464 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 04:56:30,017 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 04:56:30,568 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 04:56:31,209 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 04:56:31,802 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 04:56:32,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:56:33,105 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 04:56:33,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-11-09 04:56:33,481 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 35 treesize of output 33 [2024-11-09 04:56:33,635 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 28 [2024-11-09 04:56:34,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 97 [2024-11-09 04:56:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 04:56:34,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:34,544 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (= ((_ zero_extend 24) ((_ 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)) (= (_ bv0 8) ((_ 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_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603) 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))))) (or (= .cse1 (_ bv0 32)) (= .cse1 (_ bv1 32))))) (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (not (= ((_ zero_extend 24) ((_ 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))) (not (= (_ bv0 8) ((_ 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)))))))) is different from false [2024-11-09 04:56:34,652 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (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))))))) (and (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (= ((_ zero_extend 24) ((_ 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)) (= ((_ 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))))) (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603) 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))))) (or (= .cse2 (_ bv1 32)) (= .cse2 (_ bv0 32))))) (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (not (= ((_ zero_extend 24) ((_ 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 32))) (not (= ((_ 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 8)))))))) is different from false [2024-11-09 04:56:39,170 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ sign_extend 24) (_ bv1 8))) (.cse3 ((_ sign_extend 24) (_ bv0 8)))) (and (forall ((v_ArrVal_599 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_599))) (or (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (let ((.cse1 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603) 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))))) (or (= (_ bv1 32) .cse0) (= (_ bv0 32) .cse0)))) (= (_ bv0 8) ((_ 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)))))) (forall ((v_ArrVal_599 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_599))) (or (not (= (_ bv0 8) ((_ 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_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store (let ((.cse6 (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse7)))) (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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 8) ((_ 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_599 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_599))) (or (not (= (_ bv0 8) ((_ 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)))) (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (let ((.cse10 (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse7)))) (store .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse10 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603) 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))))) (or (= (_ bv1 32) .cse9) (= (_ bv0 32) .cse9))))))) (forall ((v_ArrVal_599 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_599))) (or (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store (let ((.cse12 (store .cse13 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse13 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 .cse3)))) (store .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse12 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (not (= ((_ extract 7 0) (select (select .cse11 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))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse11 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) ((_ extract 7 0) (select (select .cse13 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_599 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse16 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_599))) (or (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse14 (store (let ((.cse15 (store .cse16 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse16 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 .cse7)))) (store .cse15 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse15 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse15 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse14 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 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse14 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 (= (_ bv0 8) ((_ extract 7 0) (select (select .cse16 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_599 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse19 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_599))) (or (forall ((v_ArrVal_603 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse17 (store (let ((.cse18 (store .cse19 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse19 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 .cse3)))) (store .cse18 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse18 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse18 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_603))) (or (= ((_ extract 7 0) (select (select .cse17 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)) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse17 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) ((_ extract 7 0) (select (select .cse19 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 04:56:44,027 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:56:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522678113] [2024-11-09 04:56:44,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522678113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1879213465] [2024-11-09 04:56:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:44,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:56:44,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:56:44,029 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:56:44,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 04:56:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:45,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:56:45,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:46,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 04:56:48,557 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 26 treesize of output 19 [2024-11-09 04:56:49,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:56:50,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:56:51,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:56:51,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:56:52,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:56:53,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:56:53,999 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 69 treesize of output 45 [2024-11-09 04:56:54,394 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 43 treesize of output 37 [2024-11-09 04:56:54,642 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 04:56:55,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 97 [2024-11-09 04:56:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 287 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 04:56:55,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:55,619 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (not (= (_ bv0 32) ((_ zero_extend 24) ((_ 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))))) (not (= (_ bv0 8) ((_ 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_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639) 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))))) (or (= (_ bv0 32) .cse1) (= (_ bv1 32) .cse1)))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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))))))) is different from false [2024-11-09 04:56:55,766 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (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))))))) (and (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (not (= (_ bv0 8) ((_ 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 32) ((_ zero_extend 24) ((_ 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_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639) 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))))) (or (= (_ bv0 32) .cse3) (= (_ bv1 32) .cse3)))))) is different from false [2024-11-09 04:56:56,356 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base)) (.cse0 (= (_ bv0 8) ((_ extract 7 0) (select (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))))) (and (or (not .cse0) (let ((.cse2 (let ((.cse5 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (store .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))))) (and (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (not (= (_ bv0 8) ((_ 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 32) ((_ zero_extend 24) ((_ 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_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639) 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))))) (or (= (_ bv1 32) .cse3) (= (_ bv0 32) .cse3)))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (= (_ bv0 8) ((_ 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))) (= (_ bv0 32) ((_ zero_extend 24) ((_ 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)))))))))) (or (let ((.cse8 (let ((.cse11 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (store .cse11 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse11 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse11 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)))))))) (and (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store .cse8 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (not (= (_ bv0 32) ((_ zero_extend 24) ((_ 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))))) (not (= (_ bv0 8) ((_ 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))))))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse8 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639) 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))))) (or (= (_ bv0 32) .cse9) (= (_ bv1 32) .cse9)))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (store .cse8 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse10 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) ((_ extract 7 0) (select (select .cse10 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)))))))) .cse0))) is different from false [2024-11-09 04:56:59,179 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 24) (_ bv0 8))) (.cse13 ((_ sign_extend 24) (_ bv1 8)))) (and (forall ((v_ArrVal_635 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_635))) (or (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (let ((.cse1 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (= ((_ zero_extend 24) ((_ 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)) (= (_ bv0 8) ((_ 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 .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))))) (forall ((v_ArrVal_635 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_635))) (or (= ((_ 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)) (_ bv0 8)) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store (let ((.cse6 (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (not (= (_ bv0 8) ((_ 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 (= ((_ zero_extend 24) ((_ 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))))))))) (forall ((v_ArrVal_635 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_635))) (or (= ((_ 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)) (_ bv0 8)) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (let ((.cse9 (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639) 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))))) (or (= .cse8 (_ bv0 32)) (= .cse8 (_ bv1 32)))))))) (forall ((v_ArrVal_635 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_635))) (or (not (= ((_ extract 7 0) (select (select .cse10 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))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store (let ((.cse12 (store .cse10 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse10 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 .cse13)))) (store .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse12 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse11 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) ((_ extract 7 0) (select (select .cse11 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_635 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse14 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_635))) (or (not (= ((_ extract 7 0) (select (select .cse14 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))) (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (let ((.cse16 (store .cse14 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse14 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 .cse13)))) (store .cse16 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse16 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse16 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639) 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))))) (or (= (_ bv0 32) .cse15) (= (_ bv1 32) .cse15))))))) (forall ((v_ArrVal_635 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse19 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_635))) (or (forall ((v_ArrVal_639 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse17 (store (let ((.cse18 (store .cse19 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse19 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 .cse13)))) (store .cse18 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse18 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse18 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_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_639))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse17 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 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse17 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 .cse19 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)))))))) is different from false [2024-11-09 04:57:03,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1879213465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:03,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308034261] [2024-11-09 04:57:03,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:03,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:03,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:57:03,175 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:57:03,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 04:57:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:03,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 04:57:03,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:07,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2024-11-09 04:57:07,902 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 54 treesize of output 44 [2024-11-09 04:57:08,303 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 58 treesize of output 43 [2024-11-09 04:57:08,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 78 [2024-11-09 04:57:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 04:57:08,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:09,373 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_667 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_667))) (or (not (= (_ bv0 32) ((_ zero_extend 24) ((_ 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))))) (not (= (_ bv0 8) ((_ 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_667 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_667))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))) (forall ((v_ArrVal_667 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_667) 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))))) (or (= (_ bv0 32) .cse2) (= (_ bv1 32) .cse2))))) is different from false [2024-11-09 04:57:09,491 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (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))))))) (and (forall ((v_ArrVal_667 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_667) 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))))) (or (= (_ bv0 32) .cse0) (= (_ bv1 32) .cse0)))) (forall ((v_ArrVal_667 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_667))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))) (forall ((v_ArrVal_667 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_667))) (or (not (= (_ bv0 8) ((_ 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)))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ 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)))))))))) is different from false [2024-11-09 04:57:10,568 INFO L349 Elim1Store]: treesize reduction 126, result has 44.5 percent of original size [2024-11-09 04:57:10,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 619 treesize of output 389 [2024-11-09 04:57:10,782 INFO L349 Elim1Store]: treesize reduction 11, result has 67.6 percent of original size [2024-11-09 04:57:10,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1416 treesize of output 1362 [2024-11-09 04:57:10,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:57:10,884 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 716 treesize of output 709 [2024-11-09 04:57:10,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 700 treesize of output 688 [2024-11-09 04:57:11,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:57:11,002 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 688 treesize of output 681 [2024-11-09 04:57:15,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:57:15,294 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 49 treesize of output 51 [2024-11-09 04:57:15,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2024-11-09 04:57:15,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-09 04:57:15,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-09 04:57:15,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:57:15,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 284 treesize of output 288 [2024-11-09 04:57:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:57:18,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308034261] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:18,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:18,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17, 18, 10] total 42 [2024-11-09 04:57:18,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249866901] [2024-11-09 04:57:18,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:18,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 04:57:18,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:57:18,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 04:57:18,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1389, Unknown=25, NotChecked=774, Total=2450 [2024-11-09 04:57:18,903 INFO L87 Difference]: Start difference. First operand 360 states and 518 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:57:21,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:21,755 INFO L93 Difference]: Finished difference Result 871 states and 1257 transitions. [2024-11-09 04:57:21,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:57:21,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-09 04:57:21,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:21,760 INFO L225 Difference]: With dead ends: 871 [2024-11-09 04:57:21,761 INFO L226 Difference]: Without dead ends: 514 [2024-11-09 04:57:21,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 486 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=291, Invalid=1700, Unknown=25, NotChecked=846, Total=2862 [2024-11-09 04:57:21,763 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 351 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 602 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:21,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 490 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 487 Invalid, 0 Unknown, 602 Unchecked, 2.1s Time] [2024-11-09 04:57:21,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-09 04:57:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 476. [2024-11-09 04:57:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 451 states have (on average 1.4478935698447895) internal successors, (653), 452 states have internal predecessors, (653), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 04:57:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 689 transitions. [2024-11-09 04:57:21,806 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 689 transitions. Word has length 121 [2024-11-09 04:57:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:21,806 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 689 transitions. [2024-11-09 04:57:21,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:57:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 689 transitions. [2024-11-09 04:57:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 04:57:21,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:21,809 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:21,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:22,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 04:57:22,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Ended with exit code 0 [2024-11-09 04:57:22,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:57:22,410 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:22,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash 847304690, now seen corresponding path program 1 times [2024-11-09 04:57:22,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:22,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203715040] [2024-11-09 04:57:22,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:22,412 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 04:57:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:22,413 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:57:22,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (24)] Waiting until timeout for monitored process [2024-11-09 04:57:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:22,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 04:57:22,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:24,273 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 04:57:24,562 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 04:57:24,844 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 04:57:25,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:57:25,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:57:25,652 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 04:57:25,916 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 04:57:25,968 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 33 treesize of output 21 [2024-11-09 04:57:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 04:57:26,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:26,180 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:57:26,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203715040] [2024-11-09 04:57:26,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203715040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:26,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2123825442] [2024-11-09 04:57:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:26,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:57:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:57:26,183 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:57:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 04:57:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:27,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 04:57:27,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:27,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-09 04:57:28,370 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 04:57:28,659 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 04:57:28,991 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 04:57:29,317 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 04:57:29,672 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 04:57:29,995 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 04:57:30,210 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 18 treesize of output 13 [2024-11-09 04:57:30,226 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 33 treesize of output 21 [2024-11-09 04:57:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 04:57:30,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:30,253 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_731 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_731) 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 04:57:30,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2123825442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:30,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073140513] [2024-11-09 04:57:30,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:30,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:30,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:57:30,286 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:57:30,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 04:57:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:30,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:57:30,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:31,290 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 14 treesize of output 10 [2024-11-09 04:57:32,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:32,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:33,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:33,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:34,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:34,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:34,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:57:34,902 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 41 treesize of output 25 [2024-11-09 04:57:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 287 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 04:57:34,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:34,930 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_763 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_763) 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 04:57:34,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073140513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:34,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:34,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 22 [2024-11-09 04:57:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011668484] [2024-11-09 04:57:34,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:57:34,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 04:57:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:57:34,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 04:57:34,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=471, Unknown=13, NotChecked=94, Total=702 [2024-11-09 04:57:34,965 INFO L87 Difference]: Start difference. First operand 476 states and 689 transitions. Second operand has 23 states, 21 states have (on average 5.238095238095238) internal successors, (110), 20 states have internal predecessors, (110), 12 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 10 states have call predecessors, (26), 12 states have call successors, (26) [2024-11-09 04:57:40,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:40,598 INFO L93 Difference]: Finished difference Result 977 states and 1402 transitions. [2024-11-09 04:57:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 04:57:40,599 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.238095238095238) internal successors, (110), 20 states have internal predecessors, (110), 12 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 10 states have call predecessors, (26), 12 states have call successors, (26) Word has length 121 [2024-11-09 04:57:40,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:40,602 INFO L225 Difference]: With dead ends: 977 [2024-11-09 04:57:40,602 INFO L226 Difference]: Without dead ends: 504 [2024-11-09 04:57:40,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=320, Invalid=1078, Unknown=16, NotChecked=146, Total=1560 [2024-11-09 04:57:40,604 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 413 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:40,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 645 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 04:57:40,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-09 04:57:40,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 427. [2024-11-09 04:57:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 407 states have (on average 1.4643734643734643) internal successors, (596), 407 states have internal predecessors, (596), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:57:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 624 transitions. [2024-11-09 04:57:40,644 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 624 transitions. Word has length 121 [2024-11-09 04:57:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:40,644 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 624 transitions. [2024-11-09 04:57:40,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.238095238095238) internal successors, (110), 20 states have internal predecessors, (110), 12 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 10 states have call predecessors, (26), 12 states have call successors, (26) [2024-11-09 04:57:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 624 transitions. [2024-11-09 04:57:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 04:57:40,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:40,647 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:40,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (24)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:40,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:41,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 04:57:41,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:57:41,248 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:41,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:41,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1066159408, now seen corresponding path program 1 times [2024-11-09 04:57:41,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:41,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679739347] [2024-11-09 04:57:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:41,250 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 04:57:41,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:41,252 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:57:41,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:57:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:41,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 04:57:41,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:44,568 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 04:57:45,256 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 04:57:45,896 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 04:57:46,520 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 04:57:47,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2024-11-09 04:57:47,722 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 42 treesize of output 33 [2024-11-09 04:57:48,046 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 42 treesize of output 33 [2024-11-09 04:57:48,235 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 42 treesize of output 33 [2024-11-09 04:57:48,590 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 52 treesize of output 32 [2024-11-09 04:57:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:57:48,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:49,115 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_795 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_795))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset)))))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))))) is different from false [2024-11-09 04:57:50,548 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:57:50,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679739347] [2024-11-09 04:57:50,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679739347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:50,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1973247739] [2024-11-09 04:57:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:57:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:57:50,550 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:57:50,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 04:57:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:51,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:57:51,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:54,600 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 04:57:56,171 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 34 treesize of output 25 [2024-11-09 04:57:56,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:57:57,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:57:59,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 38 [2024-11-09 04:58:00,157 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 42 treesize of output 33 [2024-11-09 04:58:00,696 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 42 treesize of output 33 [2024-11-09 04:58:01,056 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 42 treesize of output 33 [2024-11-09 04:58:01,789 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 61 treesize of output 37 [2024-11-09 04:58:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 5 proven. 255 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:58:02,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:04,571 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_827 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_827))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvslt .cse0 (_ bv0 32))))))) is different from false [2024-11-09 04:58:05,176 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_825 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_826 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_827 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_825) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_826) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_827))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (not (bvslt .cse0 (_ bv0 32))) (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0)))))))) is different from false [2024-11-09 04:58:07,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1973247739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:07,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727940857] [2024-11-09 04:58:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:07,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:58:07,633 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:58:07,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 04:58:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:07,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 04:58:07,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:11,035 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 04:58:11,721 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 04:58:12,236 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 04:58:12,911 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 04:58:14,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-09 04:58:15,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2024-11-09 04:58:15,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2024-11-09 04:58:16,459 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 48 treesize of output 37 [2024-11-09 04:58:17,369 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 67 treesize of output 39 [2024-11-09 04:58:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:58:19,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:20,004 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_860 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_860))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvslt .cse0 (_ bv0 32))))))) is different from false [2024-11-09 04:58:21,268 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_860 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_858 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_859 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16))) (let ((.cse0 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_858))) (let ((.cse1 (store (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_859) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_860))) (let ((.cse2 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse2)))) (not (bvslt .cse2 (_ bv0 32)))))))) is different from false [2024-11-09 04:58:22,216 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) ((_ extract 15 0) |c_ULTIMATE.start_step_#t~ite7#1|)))) (or (forall ((v_ArrVal_860 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_858 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_859 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_step_#t~mem20#1| (_ BitVec 16))) (let ((.cse1 (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset .cse3)) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_858))) (let ((.cse2 (store (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_859) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_860))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (not (bvslt .cse0 (_ bv0 32))) (bvsge ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem20#1|) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse1 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))))) (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (not (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) ((_ extract 15 0) .cse3))))))) is different from false [2024-11-09 04:58:24,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727940857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:24,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:58:24,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 16] total 40 [2024-11-09 04:58:24,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163982351] [2024-11-09 04:58:24,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:58:24,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-09 04:58:24,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:58:24,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-09 04:58:24,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=2993, Unknown=219, NotChecked=738, Total=4422 [2024-11-09 04:58:24,034 INFO L87 Difference]: Start difference. First operand 427 states and 624 transitions. Second operand has 41 states, 40 states have (on average 3.225) internal successors, (129), 40 states have internal predecessors, (129), 8 states have call successors, (30), 7 states have call predecessors, (30), 8 states have return successors, (30), 7 states have call predecessors, (30), 8 states have call successors, (30) [2024-11-09 04:58:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:46,179 INFO L93 Difference]: Finished difference Result 897 states and 1304 transitions. [2024-11-09 04:58:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 04:58:46,180 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.225) internal successors, (129), 40 states have internal predecessors, (129), 8 states have call successors, (30), 7 states have call predecessors, (30), 8 states have return successors, (30), 7 states have call predecessors, (30), 8 states have call successors, (30) Word has length 121 [2024-11-09 04:58:46,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:46,183 INFO L225 Difference]: With dead ends: 897 [2024-11-09 04:58:46,183 INFO L226 Difference]: Without dead ends: 473 [2024-11-09 04:58:46,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1919 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=946, Invalid=5004, Unknown=236, NotChecked=954, Total=7140 [2024-11-09 04:58:46,186 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 1120 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 3225 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:46,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1477 Invalid, 3330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3225 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2024-11-09 04:58:46,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-09 04:58:46,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 376. [2024-11-09 04:58:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 356 states have (on average 1.452247191011236) internal successors, (517), 356 states have internal predecessors, (517), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:58:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 545 transitions. [2024-11-09 04:58:46,238 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 545 transitions. Word has length 121 [2024-11-09 04:58:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:46,238 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 545 transitions. [2024-11-09 04:58:46,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.225) internal successors, (129), 40 states have internal predecessors, (129), 8 states have call successors, (30), 7 states have call predecessors, (30), 8 states have return successors, (30), 7 states have call predecessors, (30), 8 states have call successors, (30) [2024-11-09 04:58:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 545 transitions. [2024-11-09 04:58:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 04:58:46,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:46,241 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:46,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:58:46,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 04:58:46,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 04:58:46,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:58:46,842 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:58:46,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:46,843 INFO L85 PathProgramCache]: Analyzing trace with hash 813681008, now seen corresponding path program 1 times [2024-11-09 04:58:46,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:58:46,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950839104] [2024-11-09 04:58:46,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:46,844 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 04:58:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:58:46,845 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:58:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:58:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:47,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 04:58:47,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:50,316 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 04:58:50,970 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 04:58:51,553 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 04:58:52,170 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 04:58:53,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-09 04:58:53,393 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 34 treesize of output 25 [2024-11-09 04:58:53,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:58:53,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:58:54,150 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 43 treesize of output 23 [2024-11-09 04:58:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:58:54,343 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:55,893 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:58:55,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950839104] [2024-11-09 04:58:55,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950839104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:55,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [558044140] [2024-11-09 04:58:55,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:55,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:58:55,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:58:55,897 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:58:55,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 04:58:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:57,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 04:58:57,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:00,259 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 04:59:01,132 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 04:59:01,826 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 04:59:02,479 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 04:59:03,866 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 38 treesize of output 29 [2024-11-09 04:59:04,223 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 29 treesize of output 22 [2024-11-09 04:59:04,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2024-11-09 04:59:04,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2024-11-09 04:59:05,468 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 48 treesize of output 28 [2024-11-09 04:59:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 04:59:05,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:08,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [558044140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:08,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058781781] [2024-11-09 04:59:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:08,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:08,947 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:59:08,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 04:59:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:09,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 04:59:09,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:13,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-09 04:59:13,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:59:13,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:59:13,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 04:59:14,142 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 43 treesize of output 23 [2024-11-09 04:59:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:59:14,229 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:59:14,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058781781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:14,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:59:14,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14, 14] total 24 [2024-11-09 04:59:14,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748922519] [2024-11-09 04:59:14,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:14,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:59:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:59:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:59:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1429, Unknown=70, NotChecked=0, Total=1722 [2024-11-09 04:59:14,232 INFO L87 Difference]: Start difference. First operand 376 states and 545 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:59:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:18,468 INFO L93 Difference]: Finished difference Result 786 states and 1135 transitions. [2024-11-09 04:59:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:59:18,469 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-11-09 04:59:18,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:18,471 INFO L225 Difference]: With dead ends: 786 [2024-11-09 04:59:18,471 INFO L226 Difference]: Without dead ends: 413 [2024-11-09 04:59:18,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 374 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=307, Invalid=1693, Unknown=70, NotChecked=0, Total=2070 [2024-11-09 04:59:18,473 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 336 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:18,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1032 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 04:59:18,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-09 04:59:18,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 324. [2024-11-09 04:59:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 304 states have (on average 1.4407894736842106) internal successors, (438), 304 states have internal predecessors, (438), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:59:18,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 466 transitions. [2024-11-09 04:59:18,516 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 466 transitions. Word has length 121 [2024-11-09 04:59:18,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:18,517 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 466 transitions. [2024-11-09 04:59:18,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:59:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 466 transitions. [2024-11-09 04:59:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 04:59:18,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:18,518 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:18,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:59:18,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-09 04:59:18,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 04:59:19,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:59:19,119 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:59:19,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:19,120 INFO L85 PathProgramCache]: Analyzing trace with hash 608039076, now seen corresponding path program 1 times [2024-11-09 04:59:19,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:59:19,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183205905] [2024-11-09 04:59:19,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:19,121 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 04:59:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:59:19,122 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:59:19,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 04:59:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:19,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 04:59:19,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:21,026 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 04:59:22,399 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 04:59:23,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:59:23,886 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 04:59:24,701 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 04:59:25,414 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 04:59:26,085 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 04:59:26,929 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 04:59:27,072 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 61 treesize of output 41 [2024-11-09 04:59:27,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-09 04:59:27,648 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 04:59:28,019 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 94 treesize of output 62 [2024-11-09 04:59:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 04:59:28,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:28,565 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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 04:59:28,639 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (not (= (_ bv0 8) ((_ 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)))) (= (_ bv1 32) ((_ zero_extend 24) ((_ 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_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))))) is different from false [2024-11-09 04:59:29,057 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base)) (.cse0 (= (_ bv0 8) ((_ extract 7 0) (select (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))))) (and (or (not .cse0) (let ((.cse2 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (let ((.cse3 (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv0 8) ((_ 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 32) ((_ zero_extend 24) ((_ 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_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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))))))))))) (or (let ((.cse7 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (let ((.cse8 (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (not (= ((_ 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)) (_ bv0 8))) (= (_ bv1 32) ((_ zero_extend 24) ((_ 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))))))) (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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)))) (= ((_ 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)) (_ bv0 8)))))))) .cse0))) is different from false [2024-11-09 04:59:29,542 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 24) (_ bv0 8))) (.cse10 ((_ sign_extend 24) (_ bv1 8)))) (and (forall ((v_ArrVal_984 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_984))) (or (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (let ((.cse1 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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 .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))))) (forall ((v_ArrVal_984 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_984))) (or (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store (let ((.cse5 (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse5 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))) (= ((_ 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)) (_ bv0 8))))) (forall ((v_ArrVal_984 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_984))) (or (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store (let ((.cse8 (store .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse10)))) (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (= (_ bv0 8) ((_ 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))) (= ((_ zero_extend 24) ((_ 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))) (_ bv0 32))))) (not (= ((_ 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)) (_ bv0 8)))))) (forall ((v_ArrVal_984 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_984))) (or (not (= ((_ extract 7 0) (select (select .cse11 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))) (forall ((v_ArrVal_987 (_ BitVec 32)) (v_ArrVal_989 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse12 (store (let ((.cse13 (store .cse11 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse11 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 .cse10)))) (store .cse13 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse13 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_987))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_989))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse12 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)))) (= ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse12 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)))))))))) is different from false [2024-11-09 04:59:31,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:59:31,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183205905] [2024-11-09 04:59:31,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183205905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:31,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1207942661] [2024-11-09 04:59:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:31,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:59:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:59:31,266 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:59:31,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 04:59:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:32,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 04:59:32,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:33,938 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 04:59:35,996 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 04:59:36,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:59:37,615 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 04:59:38,637 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 04:59:39,450 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 04:59:40,224 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 04:59:41,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:59:41,477 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 69 treesize of output 45 [2024-11-09 04:59:41,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-09 04:59:42,212 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 18 [2024-11-09 04:59:42,694 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 93 treesize of output 61 [2024-11-09 04:59:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 287 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 04:59:42,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:42,975 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv0 8) ((_ 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 32) ((_ zero_extend 24) ((_ 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 04:59:43,081 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))))) is different from false [2024-11-09 04:59:43,432 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (= (_ bv0 8) ((_ extract 7 0) (select (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)))) (.cse4 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base))) (and (or (let ((.cse1 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset ((_ sign_extend 24) (_ bv1 8)))))) (let ((.cse2 (select .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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)))))))))) (not .cse5)) (or .cse5 (let ((.cse7 (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.offset ((_ sign_extend 24) (_ bv0 8)))))) (let ((.cse8 (select .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ 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) ((_ 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)))))) (forall ((v_ArrVal_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (store (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse8 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (not (= (_ bv0 8) ((_ 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)))) (= (_ bv1 32) ((_ zero_extend 24) ((_ 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 04:59:43,867 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 24) (_ bv0 8))) (.cse10 ((_ sign_extend 24) (_ bv1 8)))) (and (forall ((v_ArrVal_1021 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1021))) (or (= (_ bv0 8) ((_ 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_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (let ((.cse2 (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= (_ bv0 8) ((_ 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))) (= ((_ zero_extend 24) ((_ 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)))))))) (forall ((v_ArrVal_1021 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1021))) (or (= (_ bv0 8) ((_ 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_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store (let ((.cse6 (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse3)))) (store .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse6 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (not (= (_ bv0 8) ((_ 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)))) (= ((_ zero_extend 24) ((_ 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)))))))) (forall ((v_ArrVal_1021 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1021))) (or (not (= (_ bv0 8) ((_ 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)))) (forall ((v_ArrVal_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store (let ((.cse9 (store .cse7 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 .cse10)))) (store .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse9 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (not (= ((_ 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)) (_ bv0 8))) (= (_ bv1 32) ((_ zero_extend 24) ((_ 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_1021 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1021))) (or (forall ((v_ArrVal_1025 (_ BitVec 32)) (v_ArrVal_1026 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store (let ((.cse12 (store .cse13 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (select .cse13 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 .cse10)))) (store .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse12 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1025))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1026))) (or (= ((_ extract 7 0) (select (select .cse11 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)) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse11 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 (= (_ bv0 8) ((_ extract 7 0) (select (select .cse13 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 04:59:45,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1207942661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:45,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869808230] [2024-11-09 04:59:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:45,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:45,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:45,817 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:59:45,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 04:59:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:46,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 04:59:46,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:49,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2024-11-09 04:59:50,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-09 04:59:50,789 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 04:59:51,079 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 94 treesize of output 62 [2024-11-09 04:59:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 04:59:51,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:51,357 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1055 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1055))) (or (= (_ bv0 8) ((_ 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 32) ((_ zero_extend 24) ((_ 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_1055 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1055))) (or (= (_ bv1 32) ((_ zero_extend 24) ((_ 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)))) (not (= (_ bv0 8) ((_ 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 04:59:51,433 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base))) (and (forall ((v_ArrVal_1055 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1053 (_ BitVec 32))) (let ((.cse0 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1053)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1055))) (or (not (= (_ bv0 8) ((_ 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)))) (= (_ bv1 32) ((_ zero_extend 24) ((_ 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_1055 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1053 (_ BitVec 32))) (let ((.cse2 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset v_ArrVal_1053)) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1055))) (or (= (_ bv0 8) ((_ 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 32) ((_ zero_extend 24) ((_ 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))))))))) is different from false [2024-11-09 04:59:52,757 INFO L349 Elim1Store]: treesize reduction 108, result has 49.8 percent of original size [2024-11-09 04:59:52,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 193 [2024-11-09 04:59:52,941 INFO L349 Elim1Store]: treesize reduction 40, result has 37.5 percent of original size [2024-11-09 04:59:52,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 136 [2024-11-09 04:59:52,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:59:52,984 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 71 treesize of output 76 [2024-11-09 04:59:53,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:59:53,026 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 155 treesize of output 153 [2024-11-09 04:59:53,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:59:53,070 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 90 treesize of output 95 [2024-11-09 04:59:53,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 135 [2024-11-09 04:59:54,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-09 04:59:54,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 117 [2024-11-09 04:59:54,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:59:54,595 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 292 treesize of output 288 [2024-11-09 04:59:56,122 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 04:59:56,123 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 143 treesize of output 1 [2024-11-09 04:59:56,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:59:56,174 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 334 treesize of output 328 [2024-11-09 04:59:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:59:59,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869808230] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:59,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:59:59,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17, 18, 12] total 43 [2024-11-09 04:59:59,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629857405] [2024-11-09 04:59:59,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:59,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 04:59:59,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:59:59,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 04:59:59,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1423, Unknown=11, NotChecked=870, Total=2550 [2024-11-09 04:59:59,604 INFO L87 Difference]: Start difference. First operand 324 states and 466 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:00:05,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:05,085 INFO L93 Difference]: Finished difference Result 780 states and 1127 transitions. [2024-11-09 05:00:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:00:05,086 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:00:05,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:05,088 INFO L225 Difference]: With dead ends: 780 [2024-11-09 05:00:05,089 INFO L226 Difference]: Without dead ends: 459 [2024-11-09 05:00:05,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 498 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=304, Invalid=1887, Unknown=11, NotChecked=990, Total=3192 [2024-11-09 05:00:05,091 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 579 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 610 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:05,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 558 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 751 Invalid, 0 Unknown, 610 Unchecked, 4.0s Time] [2024-11-09 05:00:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-09 05:00:05,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 328. [2024-11-09 05:00:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 308 states have (on average 1.4415584415584415) internal successors, (444), 308 states have internal predecessors, (444), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:00:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 472 transitions. [2024-11-09 05:00:05,140 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 472 transitions. Word has length 123 [2024-11-09 05:00:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:05,141 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 472 transitions. [2024-11-09 05:00:05,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:00:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 472 transitions. [2024-11-09 05:00:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:00:05,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:05,142 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:05,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-09 05:00:05,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 05:00:05,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:00:05,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:00:05,744 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:00:05,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:05,744 INFO L85 PathProgramCache]: Analyzing trace with hash -513163410, now seen corresponding path program 1 times [2024-11-09 05:00:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:00:05,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543341515] [2024-11-09 05:00:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:05,745 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 05:00:05,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:00:05,746 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:00:05,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 [2024-11-09 05:00:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:06,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 05:00:06,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:07,791 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 05:00:09,094 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 05:00:09,747 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 05:00:10,483 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 05:00:11,284 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 05:00:12,016 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 05:00:12,805 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 05:00:13,694 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 05:00:13,821 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 05:00:14,014 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 22 [2024-11-09 05:00:14,125 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 22 [2024-11-09 05:00:14,366 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 46 treesize of output 26 [2024-11-09 05:00:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 05:00:14,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:14,652 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1091 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (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))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1091) 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))) is different from false [2024-11-09 05:00:15,647 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:00:15,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543341515] [2024-11-09 05:00:15,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543341515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:15,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [558327370] [2024-11-09 05:00:15,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:00:15,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:00:15,649 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:00:15,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 05:00:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:16,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 05:00:16,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:18,165 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 05:00:19,144 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 05:00:19,855 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 05:00:20,450 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 05:00:21,172 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 05:00:21,896 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 05:00:22,685 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 05:00:23,478 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 05:00:23,503 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 05:00:23,624 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 22 [2024-11-09 05:00:23,675 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 31 treesize of output 22 [2024-11-09 05:00:23,834 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 46 treesize of output 26 [2024-11-09 05:00:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 05:00:23,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:26,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [558327370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:26,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148997617] [2024-11-09 05:00:26,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:26,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:00:26,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:26,927 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:00:26,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 05:00:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:27,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 05:00:27,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:32,139 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 05:00:33,093 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 13 treesize of output 9 [2024-11-09 05:00:33,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-09 05:00:34,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2024-11-09 05:00:34,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2024-11-09 05:00:35,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 36 [2024-11-09 05:00:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:00:35,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:37,338 WARN L851 $PredicateComparison]: unable to prove that (forall ((~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset (_ BitVec 32)) (|ULTIMATE.start_step_#t~ite7#1| (_ BitVec 32))) (let ((.cse4 ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite7#1|)))) (let ((.cse3 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset .cse4)))) (or (forall ((v_ArrVal_1156 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1157 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_1156))) (or (not (let ((.cse0 (let ((.cse1 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_1157))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset ((_ sign_extend 16) (_ bv50 16))))))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))))) (bvsge ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) .cse4))))))) is different from false [2024-11-09 05:00:37,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148997617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:37,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:00:37,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 10] total 24 [2024-11-09 05:00:37,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297333548] [2024-11-09 05:00:37,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:00:37,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 05:00:37,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:00:37,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 05:00:37,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1183, Unknown=72, NotChecked=146, Total=1560 [2024-11-09 05:00:37,652 INFO L87 Difference]: Start difference. First operand 328 states and 472 transitions. Second operand has 25 states, 24 states have (on average 5.083333333333333) internal successors, (122), 23 states have internal predecessors, (122), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 7 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-09 05:01:05,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:05,012 INFO L93 Difference]: Finished difference Result 1220 states and 1729 transitions. [2024-11-09 05:01:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-09 05:01:05,013 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.083333333333333) internal successors, (122), 23 states have internal predecessors, (122), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 7 states have call predecessors, (28), 8 states have call successors, (28) Word has length 123 [2024-11-09 05:01:05,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:05,016 INFO L225 Difference]: With dead ends: 1220 [2024-11-09 05:01:05,016 INFO L226 Difference]: Without dead ends: 895 [2024-11-09 05:01:05,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 417 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2380 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=2062, Invalid=7974, Unknown=72, NotChecked=398, Total=10506 [2024-11-09 05:01:05,020 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 3441 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:05,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3441 Valid, 795 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 1908 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-09 05:01:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-09 05:01:05,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 434. [2024-11-09 05:01:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 414 states have (on average 1.458937198067633) internal successors, (604), 414 states have internal predecessors, (604), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:01:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 632 transitions. [2024-11-09 05:01:05,090 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 632 transitions. Word has length 123 [2024-11-09 05:01:05,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:05,091 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 632 transitions. [2024-11-09 05:01:05,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.083333333333333) internal successors, (122), 23 states have internal predecessors, (122), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 7 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-09 05:01:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 632 transitions. [2024-11-09 05:01:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:01:05,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:05,093 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:05,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:05,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:05,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:05,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:05,695 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:01:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash -81610322, now seen corresponding path program 1 times [2024-11-09 05:01:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:01:05,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648255025] [2024-11-09 05:01:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:05,696 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 05:01:05,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:01:05,697 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:01:05,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (39)] Waiting until timeout for monitored process [2024-11-09 05:01:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:06,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:01:06,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:01:06,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:06,150 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:01:06,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648255025] [2024-11-09 05:01:06,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648255025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:06,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:06,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:01:06,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797145822] [2024-11-09 05:01:06,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:06,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:01:06,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:01:06,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:01:06,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:01:06,153 INFO L87 Difference]: Start difference. First operand 434 states and 632 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:06,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:06,274 INFO L93 Difference]: Finished difference Result 440 states and 638 transitions. [2024-11-09 05:01:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:01:06,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:01:06,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:06,276 INFO L225 Difference]: With dead ends: 440 [2024-11-09 05:01:06,277 INFO L226 Difference]: Without dead ends: 438 [2024-11-09 05:01:06,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:01:06,277 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:06,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 895 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:01:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-09 05:01:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2024-11-09 05:01:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 418 states have (on average 1.4545454545454546) internal successors, (608), 418 states have internal predecessors, (608), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:01:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 636 transitions. [2024-11-09 05:01:06,346 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 636 transitions. Word has length 123 [2024-11-09 05:01:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:06,347 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 636 transitions. [2024-11-09 05:01:06,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 636 transitions. [2024-11-09 05:01:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:01:06,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:06,349 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:06,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (39)] Ended with exit code 0 [2024-11-09 05:01:06,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:01:06,551 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:01:06,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:06,551 INFO L85 PathProgramCache]: Analyzing trace with hash 88930819, now seen corresponding path program 1 times [2024-11-09 05:01:06,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:01:06,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866226107] [2024-11-09 05:01:06,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:06,552 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 05:01:06,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:01:06,555 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:01:06,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (40)] Waiting until timeout for monitored process [2024-11-09 05:01:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:06,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 05:01:06,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:09,284 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 05:01:09,822 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 05:01:10,366 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 05:01:11,001 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 05:01:11,516 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 05:01:12,041 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 05:01:12,709 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 05:01:12,819 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 05:01:13,009 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-09 05:01:13,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-09 05:01:13,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:01:13,152 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 31 treesize of output 27 [2024-11-09 05:01:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 05:01:13,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:13,637 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1214 (_ BitVec 32)) (v_ArrVal_1213 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) ((_ sign_extend 24) ((_ extract 7 0) (select (select (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1213))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_1214))) 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))) is different from false [2024-11-09 05:01:13,701 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:01:13,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866226107] [2024-11-09 05:01:13,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866226107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:13,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [715144034] [2024-11-09 05:01:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:13,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:01:13,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:01:13,702 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:01:13,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 05:01:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:14,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 05:01:14,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:16,095 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 05:01:17,807 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 05:01:18,426 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 05:01:19,122 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 05:01:19,866 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 05:01:20,488 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 26 treesize of output 19 [2024-11-09 05:01:21,123 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 05:01:21,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 05:01:22,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 05:01:22,308 INFO L349 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2024-11-09 05:01:22,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-11-09 05:01:22,491 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 05:01:22,492 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 27 treesize of output 15 [2024-11-09 05:01:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 287 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 05:01:22,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:22,967 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1214 (_ BitVec 32)) (v_ArrVal_1248 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) ((_ sign_extend 24) ((_ extract 7 0) (select (select (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1248))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_1214))) 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 05:01:23,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [715144034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:23,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465275181] [2024-11-09 05:01:23,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:23,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:23,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:23,040 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:23,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 05:01:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:23,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 05:01:23,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:25,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-09 05:01:25,849 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:01:25,849 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 54 treesize of output 30 [2024-11-09 05:01:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 05:01:26,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:26,796 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 35 treesize of output 27 [2024-11-09 05:01:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:01:26,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465275181] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:26,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:26,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14, 15, 9] total 40 [2024-11-09 05:01:26,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816640213] [2024-11-09 05:01:26,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:26,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:01:26,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:01:26,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:01:26,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1619, Unknown=2, NotChecked=166, Total=1980 [2024-11-09 05:01:26,957 INFO L87 Difference]: Start difference. First operand 438 states and 636 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:28,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:28,542 INFO L93 Difference]: Finished difference Result 1092 states and 1582 transitions. [2024-11-09 05:01:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:01:28,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:01:28,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:28,546 INFO L225 Difference]: With dead ends: 1092 [2024-11-09 05:01:28,546 INFO L226 Difference]: Without dead ends: 657 [2024-11-09 05:01:28,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 503 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=209, Invalid=1959, Unknown=2, NotChecked=182, Total=2352 [2024-11-09 05:01:28,548 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 72 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:28,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 902 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:01:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-09 05:01:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 474. [2024-11-09 05:01:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 454 states have (on average 1.4449339207048457) internal successors, (656), 454 states have internal predecessors, (656), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:01:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 684 transitions. [2024-11-09 05:01:28,623 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 684 transitions. Word has length 123 [2024-11-09 05:01:28,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:28,624 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 684 transitions. [2024-11-09 05:01:28,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 684 transitions. [2024-11-09 05:01:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:01:28,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:28,626 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:28,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-09 05:01:28,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (40)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:29,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:29,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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=3,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:29,227 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:01:29,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:29,228 INFO L85 PathProgramCache]: Analyzing trace with hash -497875195, now seen corresponding path program 1 times [2024-11-09 05:01:29,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:01:29,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572368844] [2024-11-09 05:01:29,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:29,228 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 05:01:29,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:01:29,229 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:01:29,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (43)] Waiting until timeout for monitored process [2024-11-09 05:01:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:29,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 05:01:29,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:30,870 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 05:01:31,928 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 05:01:32,483 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 05:01:33,105 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 05:01:33,711 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 05:01:34,236 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 05:01:34,753 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 05:01:35,367 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 05:01:35,450 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 05:01:35,636 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-09 05:01:35,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-09 05:01:35,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:01:35,789 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 31 treesize of output 27 [2024-11-09 05:01:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 05:01:35,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:36,287 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1310 (_ BitVec 32))) (= ((_ extract 7 0) ((_ sign_extend 24) ((_ extract 7 0) (select (select (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1308))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_1310))) 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))) is different from false [2024-11-09 05:01:36,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:01:36,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572368844] [2024-11-09 05:01:36,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572368844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:36,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1919208234] [2024-11-09 05:01:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:36,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:01:36,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:01:36,359 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:01:36,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 05:01:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:37,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:01:37,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:38,422 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-09 05:01:38,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 25 [2024-11-09 05:01:38,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 05:01:38,849 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 27 treesize of output 15 [2024-11-09 05:01:39,091 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:01:39,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:39,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1919208234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:39,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:01:39,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 19 [2024-11-09 05:01:39,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494719554] [2024-11-09 05:01:39,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:39,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:01:39,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:01:39,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:01:39,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=470, Unknown=1, NotChecked=44, Total=600 [2024-11-09 05:01:39,094 INFO L87 Difference]: Start difference. First operand 474 states and 684 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:44,715 INFO L93 Difference]: Finished difference Result 1122 states and 1618 transitions. [2024-11-09 05:01:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:01:44,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:01:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:44,719 INFO L225 Difference]: With dead ends: 1122 [2024-11-09 05:01:44,719 INFO L226 Difference]: Without dead ends: 651 [2024-11-09 05:01:44,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=97, Invalid=556, Unknown=1, NotChecked=48, Total=702 [2024-11-09 05:01:44,721 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 230 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:44,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 389 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-09 05:01:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-09 05:01:44,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 474. [2024-11-09 05:01:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 454 states have (on average 1.4317180616740088) internal successors, (650), 454 states have internal predecessors, (650), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:01:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 678 transitions. [2024-11-09 05:01:44,787 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 678 transitions. Word has length 123 [2024-11-09 05:01:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:44,788 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 678 transitions. [2024-11-09 05:01:44,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 678 transitions. [2024-11-09 05:01:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:01:44,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:44,790 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:44,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:44,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (43)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:45,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:01:45,190 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:01:45,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1499417083, now seen corresponding path program 1 times [2024-11-09 05:01:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:01:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844053587] [2024-11-09 05:01:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:45,192 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 05:01:45,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:01:45,193 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:01:45,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (45)] Waiting until timeout for monitored process [2024-11-09 05:01:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:45,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 05:01:45,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:48,553 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 05:01:49,243 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 05:01:49,945 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 05:01:50,792 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 05:01:51,507 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 05:01:52,270 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 05:01:53,191 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 05:01:53,305 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 05:01:53,517 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-09 05:01:53,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2024-11-09 05:01:53,688 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 22 [2024-11-09 05:01:53,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:01:53,810 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 31 treesize of output 23 [2024-11-09 05:01:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 05:01:53,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:54,705 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1372 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1369 (_ BitVec 32)) (v_ArrVal_1368 (Array (_ BitVec 32) (_ BitVec 32))) (~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset (_ BitVec 32))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store (let ((.cse0 (let ((.cse1 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1368))) (store .cse1 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base (store (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 v_ArrVal_1369))))) (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base (store (select .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset ((_ sign_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)))))) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base v_ArrVal_1372) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base) ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset)))) is different from false [2024-11-09 05:01:54,813 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:01:54,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844053587] [2024-11-09 05:01:54,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844053587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:54,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [209700345] [2024-11-09 05:01:54,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:54,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:01:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:01:54,815 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:01:54,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 05:01:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:55,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:01:55,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:57,010 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-09 05:01:57,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 25 [2024-11-09 05:01:57,293 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 05:01:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:01:57,451 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:57,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [209700345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:57,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:01:57,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-09 05:01:57,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192948013] [2024-11-09 05:01:57,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:57,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:01:57,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:01:57,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:01:57,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=481, Unknown=17, NotChecked=46, Total=650 [2024-11-09 05:01:57,453 INFO L87 Difference]: Start difference. First operand 474 states and 678 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:59,702 INFO L93 Difference]: Finished difference Result 1140 states and 1636 transitions. [2024-11-09 05:01:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:01:59,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:01:59,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:59,705 INFO L225 Difference]: With dead ends: 1140 [2024-11-09 05:01:59,705 INFO L226 Difference]: Without dead ends: 669 [2024-11-09 05:01:59,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=124, Invalid=565, Unknown=17, NotChecked=50, Total=756 [2024-11-09 05:01:59,707 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 201 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:59,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 391 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:01:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-09 05:01:59,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 498. [2024-11-09 05:01:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 478 states have (on average 1.4225941422594142) internal successors, (680), 478 states have internal predecessors, (680), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:01:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 708 transitions. [2024-11-09 05:01:59,789 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 708 transitions. Word has length 123 [2024-11-09 05:01:59,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:59,790 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 708 transitions. [2024-11-09 05:01:59,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:01:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 708 transitions. [2024-11-09 05:01:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:01:59,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:59,793 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:59,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 05:02:00,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (45)] Ended with exit code 0 [2024-11-09 05:02:00,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:02:00,194 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:00,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:00,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2086223097, now seen corresponding path program 1 times [2024-11-09 05:02:00,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:02:00,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169724559] [2024-11-09 05:02:00,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:00,195 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 05:02:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:02:00,196 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:02:00,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (47)] Waiting until timeout for monitored process [2024-11-09 05:02:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:00,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 05:02:00,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:03,582 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 05:02:03,699 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 05:02:03,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-09 05:02:03,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-09 05:02:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:02:04,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:02:04,110 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:02:04,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169724559] [2024-11-09 05:02:04,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169724559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:04,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:04,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 05:02:04,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138152574] [2024-11-09 05:02:04,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:04,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:02:04,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:02:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:02:04,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:02:04,112 INFO L87 Difference]: Start difference. First operand 498 states and 708 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:02:06,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:06,229 INFO L93 Difference]: Finished difference Result 1182 states and 1684 transitions. [2024-11-09 05:02:06,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:02:06,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:02:06,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:06,231 INFO L225 Difference]: With dead ends: 1182 [2024-11-09 05:02:06,231 INFO L226 Difference]: Without dead ends: 687 [2024-11-09 05:02:06,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:02:06,232 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 191 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:06,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 866 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 05:02:06,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-09 05:02:06,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 498. [2024-11-09 05:02:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 478 states have (on average 1.4225941422594142) internal successors, (680), 478 states have internal predecessors, (680), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:02:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 708 transitions. [2024-11-09 05:02:06,308 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 708 transitions. Word has length 123 [2024-11-09 05:02:06,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:06,310 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 708 transitions. [2024-11-09 05:02:06,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:02:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 708 transitions. [2024-11-09 05:02:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:02:06,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:06,312 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:06,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (47)] Ended with exit code 0 [2024-11-09 05:02:06,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:02:06,516 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:06,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash -51959758, now seen corresponding path program 1 times [2024-11-09 05:02:06,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:02:06,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127473805] [2024-11-09 05:02:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:06,517 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 05:02:06,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:02:06,518 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:02:06,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (48)] Waiting until timeout for monitored process [2024-11-09 05:02:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:07,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 05:02:07,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:12,728 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 05:02:13,561 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 05:02:13,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 05:02:14,317 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 58 treesize of output 48 [2024-11-09 05:02:14,595 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:02:14,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 59 [2024-11-09 05:02:15,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 38 [2024-11-09 05:02:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:02:15,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:16,529 WARN L851 $PredicateComparison]: unable to prove that (forall ((~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1452 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1453 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1451 (Array (_ BitVec 32) (_ BitVec 32))) (~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset (_ BitVec 32))) (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1451))) (let ((.cse2 (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_1452))) (let ((.cse1 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) ~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select v_ArrVal_1451 ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvslt .cse1 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))) (not (let ((.cse3 (let ((.cse4 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_1453))) (store .cse4 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base (store (select .cse4 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset ((_ sign_extend 16) (_ bv50 16))))))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse3 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))))) (bvsge ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))) .cse1)))))) is different from false [2024-11-09 05:02:16,892 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:02:16,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127473805] [2024-11-09 05:02:16,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127473805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:16,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1650649176] [2024-11-09 05:02:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:16,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:02:16,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:02:16,894 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:02:16,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 05:02:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:18,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 05:02:18,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:23,918 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 05:02:24,661 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 13 treesize of output 9 [2024-11-09 05:02:24,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-09 05:02:25,749 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 67 treesize of output 55 [2024-11-09 05:02:26,104 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:02:26,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 64 [2024-11-09 05:02:26,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-11-09 05:02:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:02:26,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:29,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1650649176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:29,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589104445] [2024-11-09 05:02:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:29,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:29,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:29,396 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:02:29,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-09 05:02:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:29,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 05:02:29,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:34,875 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 13 treesize of output 9 [2024-11-09 05:02:35,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-09 05:02:35,365 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 67 treesize of output 55 [2024-11-09 05:02:35,579 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:02:35,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 64 [2024-11-09 05:02:36,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-11-09 05:02:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:02:36,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:02:36,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589104445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:36,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:02:36,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 16 [2024-11-09 05:02:36,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503864732] [2024-11-09 05:02:36,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:36,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:02:36,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:02:36,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:02:36,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=490, Unknown=9, NotChecked=46, Total=650 [2024-11-09 05:02:36,338 INFO L87 Difference]: Start difference. First operand 498 states and 708 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:02:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:43,545 INFO L93 Difference]: Finished difference Result 1093 states and 1549 transitions. [2024-11-09 05:02:43,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:02:43,546 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:02:43,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:43,548 INFO L225 Difference]: With dead ends: 1093 [2024-11-09 05:02:43,548 INFO L226 Difference]: Without dead ends: 598 [2024-11-09 05:02:43,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 396 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=195, Invalid=730, Unknown=9, NotChecked=58, Total=992 [2024-11-09 05:02:43,549 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 390 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:43,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 670 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 05:02:43,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-09 05:02:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 502. [2024-11-09 05:02:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 482 states have (on average 1.4232365145228216) internal successors, (686), 482 states have internal predecessors, (686), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:02:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 714 transitions. [2024-11-09 05:02:43,619 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 714 transitions. Word has length 123 [2024-11-09 05:02:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:43,619 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 714 transitions. [2024-11-09 05:02:43,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:02:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 714 transitions. [2024-11-09 05:02:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:02:43,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:43,622 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:43,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-09 05:02:43,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 05:02:44,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (48)] Ended with exit code 0 [2024-11-09 05:02:44,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:02:44,223 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:44,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash 796926466, now seen corresponding path program 1 times [2024-11-09 05:02:44,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:02:44,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361725958] [2024-11-09 05:02:44,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:44,224 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 05:02:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:02:44,225 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:02:44,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (51)] Waiting until timeout for monitored process [2024-11-09 05:02:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:44,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 05:02:44,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:49,896 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 05:02:50,620 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 05:02:50,950 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 26 treesize of output 24 [2024-11-09 05:02:51,388 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 36 [2024-11-09 05:02:51,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2024-11-09 05:02:51,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 30 [2024-11-09 05:02:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:02:52,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:53,718 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1539 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1540 (Array (_ BitVec 32) (_ BitVec 32))) (~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1538 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1538))) (let ((.cse2 (store .cse3 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_1539))) (or (let ((.cse0 (let ((.cse1 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_1540))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset ((_ sign_extend 16) (_ bv50 16))))))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))) (bvsge ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (not (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select v_ArrVal_1538 ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))))))) is different from false [2024-11-09 05:02:54,010 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:02:54,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361725958] [2024-11-09 05:02:54,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361725958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:54,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [472681811] [2024-11-09 05:02:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:54,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:02:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:02:54,012 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:02:54,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 05:02:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:55,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 05:02:55,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:00,268 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 05:03:01,178 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 22 treesize of output 21 [2024-11-09 05:03:01,747 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 43 treesize of output 37 [2024-11-09 05:03:02,556 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 59 treesize of output 49 [2024-11-09 05:03:02,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2024-11-09 05:03:03,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2024-11-09 05:03:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:03:03,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:04,514 WARN L851 $PredicateComparison]: unable to prove that (forall ((~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset (_ BitVec 32)) (|ULTIMATE.start_step_#t~ite7#1| (_ BitVec 32))) (let ((.cse1 ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite7#1|)))) (let ((.cse0 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset .cse1)))) (or (not (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) .cse1)))) (forall ((v_ArrVal_1539 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1540 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store .cse0 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_1539))) (or (bvsge ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))) (let ((.cse3 (let ((.cse4 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_1540))) (store .cse4 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base (store (select .cse4 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset ((_ sign_extend 16) (_ bv50 16))))))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse3 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))))))))))) is different from false [2024-11-09 05:03:04,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [472681811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:04,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119272045] [2024-11-09 05:03:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:04,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:04,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:04,831 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:04,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-09 05:03:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:05,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 05:03:05,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:09,235 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 13 treesize of output 9 [2024-11-09 05:03:09,810 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 35 treesize of output 31 [2024-11-09 05:03:10,608 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 51 treesize of output 43 [2024-11-09 05:03:10,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2024-11-09 05:03:12,886 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-11-09 05:03:12,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 72 [2024-11-09 05:03:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:03:15,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:03:15,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119272045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:15,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:03:15,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11, 11] total 31 [2024-11-09 05:03:15,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587382777] [2024-11-09 05:03:15,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:15,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:03:15,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:03:15,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:03:15,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1323, Unknown=7, NotChecked=154, Total=1722 [2024-11-09 05:03:15,307 INFO L87 Difference]: Start difference. First operand 502 states and 714 transitions. Second operand has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:03:26,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:03:29,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:03:30,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:30,585 INFO L93 Difference]: Finished difference Result 1213 states and 1714 transitions. [2024-11-09 05:03:30,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:03:30,586 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:03:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:30,589 INFO L225 Difference]: With dead ends: 1213 [2024-11-09 05:03:30,589 INFO L226 Difference]: Without dead ends: 714 [2024-11-09 05:03:30,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 383 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=415, Invalid=1938, Unknown=7, NotChecked=190, Total=2550 [2024-11-09 05:03:30,591 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 663 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:30,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1070 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1950 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2024-11-09 05:03:30,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-09 05:03:30,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 514. [2024-11-09 05:03:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 494 states have (on average 1.417004048582996) internal successors, (700), 494 states have internal predecessors, (700), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:03:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 728 transitions. [2024-11-09 05:03:30,661 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 728 transitions. Word has length 123 [2024-11-09 05:03:30,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:30,662 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 728 transitions. [2024-11-09 05:03:30,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:03:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 728 transitions. [2024-11-09 05:03:30,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:03:30,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:30,664 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:30,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-09 05:03:30,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (51)] Ended with exit code 0 [2024-11-09 05:03:31,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:31,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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=3,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:31,265 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:31,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:31,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1614574916, now seen corresponding path program 1 times [2024-11-09 05:03:31,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:03:31,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108371416] [2024-11-09 05:03:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:31,266 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 05:03:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:03:31,267 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:03:31,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (54)] Waiting until timeout for monitored process [2024-11-09 05:03:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:31,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 05:03:31,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:37,600 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 05:03:38,363 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 05:03:38,744 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 26 treesize of output 24 [2024-11-09 05:03:39,370 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-09 05:03:39,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 56 [2024-11-09 05:03:39,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-09 05:03:39,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2024-11-09 05:03:40,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2024-11-09 05:03:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:03:40,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:42,134 WARN L851 $PredicateComparison]: unable to prove that (forall ((~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset (_ BitVec 32)) (~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base (_ BitVec 32)) (~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1625 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1626 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1624 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base v_ArrVal_1624))) (let ((.cse2 (store .cse4 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0.base v_ArrVal_1625))) (let ((.cse3 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 ~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.base) ~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer~0.offset))))) (or (let ((.cse0 (let ((.cse1 (store .cse2 c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base v_ArrVal_1626))) (store .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base (store (select .cse1 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer~0.offset ((_ sign_extend 16) (_ bv50 16))))))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))) (bvsge ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset))) .cse3) (not (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse4 c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.base) c_~unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer~0.offset)))) ((_ sign_extend 16) ((_ extract 15 0) (select v_ArrVal_1624 ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset))))) (not (bvslt .cse3 ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.base) ~signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer~0.offset)))))))))) is different from false [2024-11-09 05:03:42,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:03:42,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108371416] [2024-11-09 05:03:42,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108371416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:42,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [706828390] [2024-11-09 05:03:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:42,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:42,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:03:42,581 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:03:42,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 05:03:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:43,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 05:03:43,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:50,272 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 05:03:51,191 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 13 treesize of output 9 [2024-11-09 05:03:51,773 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 35 treesize of output 31 [2024-11-09 05:03:52,863 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 66 treesize of output 54 [2024-11-09 05:03:53,284 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:03:53,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 63 [2024-11-09 05:03:54,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 42 [2024-11-09 05:03:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:03:54,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:59,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [706828390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032290877] [2024-11-09 05:03:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:59,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:59,708 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:59,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-09 05:04:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:00,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 05:04:00,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:05,660 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 13 treesize of output 9 [2024-11-09 05:04:06,051 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 35 treesize of output 31 [2024-11-09 05:04:06,409 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 66 treesize of output 54 [2024-11-09 05:04:06,622 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:04:06,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 63 [2024-11-09 05:04:09,254 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-11-09 05:04:09,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 79 [2024-11-09 05:04:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:04:11,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:04:11,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032290877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:11,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:04:11,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11, 11] total 25 [2024-11-09 05:04:11,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627278814] [2024-11-09 05:04:11,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:11,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:04:11,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:04:11,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:04:11,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1183, Unknown=24, NotChecked=72, Total=1482 [2024-11-09 05:04:11,703 INFO L87 Difference]: Start difference. First operand 514 states and 728 transitions. Second operand has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:04:26,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:04:28,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:28,464 INFO L93 Difference]: Finished difference Result 1132 states and 1599 transitions. [2024-11-09 05:04:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:04:28,465 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:04:28,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:28,467 INFO L225 Difference]: With dead ends: 1132 [2024-11-09 05:04:28,467 INFO L226 Difference]: Without dead ends: 621 [2024-11-09 05:04:28,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 385 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=410, Invalid=1732, Unknown=24, NotChecked=90, Total=2256 [2024-11-09 05:04:28,468 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 401 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:28,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 1145 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2463 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2024-11-09 05:04:28,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-09 05:04:28,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 513. [2024-11-09 05:04:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 493 states have (on average 1.4158215010141988) internal successors, (698), 493 states have internal predecessors, (698), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:04:28,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 726 transitions. [2024-11-09 05:04:28,540 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 726 transitions. Word has length 123 [2024-11-09 05:04:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:28,541 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 726 transitions. [2024-11-09 05:04:28,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:04:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 726 transitions. [2024-11-09 05:04:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:04:28,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:28,543 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:28,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 05:04:28,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (54)] Ended with exit code 0 [2024-11-09 05:04:28,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-09 05:04:29,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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=3,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:29,144 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:29,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:29,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1316647358, now seen corresponding path program 1 times [2024-11-09 05:04:29,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:29,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692042028] [2024-11-09 05:04:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:29,145 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 05:04:29,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:29,146 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:04:29,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (57)] Waiting until timeout for monitored process [2024-11-09 05:04:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:29,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 05:04:29,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:36,194 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 05:04:37,341 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-09 05:04:37,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2024-11-09 05:04:37,843 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 37 treesize of output 33 [2024-11-09 05:04:38,468 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 53 treesize of output 45 [2024-11-09 05:04:38,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 47 [2024-11-09 05:04:39,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2024-11-09 05:04:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:04:39,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:04:45,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:04:45,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692042028] [2024-11-09 05:04:45,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692042028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:04:45,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477468959] [2024-11-09 05:04:45,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:45,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:04:45,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:04:45,010 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:04:45,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 05:04:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:46,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 05:04:46,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:52,397 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 05:04:53,271 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 13 treesize of output 9 [2024-11-09 05:04:53,868 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 35 treesize of output 31 [2024-11-09 05:04:54,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2024-11-09 05:04:55,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2024-11-09 05:04:57,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:04:57,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 52 [2024-11-09 05:04:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:04:57,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:12,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [477468959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:12,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299266966] [2024-11-09 05:05:12,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:12,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:12,227 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:05:12,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-09 05:05:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:12,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 05:05:12,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:17,820 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 13 treesize of output 9 [2024-11-09 05:05:18,477 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 37 treesize of output 33 [2024-11-09 05:05:18,758 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 53 treesize of output 45 [2024-11-09 05:05:18,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 47 [2024-11-09 05:05:20,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2024-11-09 05:05:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 05:05:20,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:05:20,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299266966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:20,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:05:20,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [13, 15] total 28 [2024-11-09 05:05:20,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091869248] [2024-11-09 05:05:20,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:20,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:05:20,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:05:20,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:05:20,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=2208, Unknown=36, NotChecked=0, Total=2652 [2024-11-09 05:05:20,683 INFO L87 Difference]: Start difference. First operand 513 states and 726 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:05:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:33,209 INFO L93 Difference]: Finished difference Result 1235 states and 1737 transitions. [2024-11-09 05:05:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:05:33,210 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-09 05:05:33,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:33,212 INFO L225 Difference]: With dead ends: 1235 [2024-11-09 05:05:33,212 INFO L226 Difference]: Without dead ends: 725 [2024-11-09 05:05:33,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 371 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=653, Invalid=2851, Unknown=36, NotChecked=0, Total=3540 [2024-11-09 05:05:33,214 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 467 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:33,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1028 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2024-11-09 05:05:33,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-09 05:05:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 630. [2024-11-09 05:05:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 610 states have (on average 1.4327868852459016) internal successors, (874), 610 states have internal predecessors, (874), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:05:33,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 902 transitions. [2024-11-09 05:05:33,281 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 902 transitions. Word has length 123 [2024-11-09 05:05:33,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:33,282 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 902 transitions. [2024-11-09 05:05:33,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 05:05:33,282 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 902 transitions. [2024-11-09 05:05:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:05:33,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:33,284 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:33,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:33,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:33,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (57)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:33,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:05:33,885 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:33,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:33,886 INFO L85 PathProgramCache]: Analyzing trace with hash -498998908, now seen corresponding path program 1 times [2024-11-09 05:05:33,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:05:33,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783882689] [2024-11-09 05:05:33,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:33,887 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 05:05:33,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:05:33,888 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:05:33,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (60)] Waiting until timeout for monitored process [2024-11-09 05:05:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:34,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 05:05:34,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:40,898 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 05:05:42,181 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-09 05:05:42,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2024-11-09 05:05:42,747 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 37 treesize of output 33 [2024-11-09 05:05:43,583 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-09 05:05:43,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2024-11-09 05:05:43,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-09 05:05:43,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2024-11-09 05:05:44,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2024-11-09 05:05:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:05:44,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:51,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:05:51,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783882689] [2024-11-09 05:05:51,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783882689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:51,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [488480265] [2024-11-09 05:05:51,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:51,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:05:51,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:05:51,986 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:05:51,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 05:05:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:53,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 05:05:53,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:01,251 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 05:06:02,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-09 05:06:03,595 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 43 treesize of output 37 [2024-11-09 05:06:05,048 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 74 treesize of output 60 [2024-11-09 05:06:05,601 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:06:05,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 67 [2024-11-09 05:06:08,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:06:08,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 39 [2024-11-09 05:06:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:06:08,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:06:26,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [488480265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:06:26,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588074255] [2024-11-09 05:06:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:26,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:06:26,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:06:26,005 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:06:26,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-09 05:06:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:26,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 05:06:26,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:33,532 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 15 treesize of output 1 [2024-11-09 05:06:34,620 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 13 treesize of output 9 [2024-11-09 05:06:35,573 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 35 treesize of output 31 [2024-11-09 05:06:37,118 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 66 treesize of output 54 [2024-11-09 05:06:37,763 INFO L349 Elim1Store]: treesize reduction 22, result has 33.3 percent of original size [2024-11-09 05:06:37,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 63 [2024-11-09 05:06:39,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2024-11-09 05:06:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 05:06:39,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:07:08,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588074255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:07:08,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:07:08,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 13] total 36 [2024-11-09 05:07:08,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927329477] [2024-11-09 05:07:08,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:07:08,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 05:07:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:07:08,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 05:07:08,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=3827, Unknown=63, NotChecked=0, Total=4556 [2024-11-09 05:07:08,656 INFO L87 Difference]: Start difference. First operand 630 states and 902 transitions. Second operand has 37 states, 37 states have (on average 4.216216216216216) internal successors, (156), 36 states have internal predecessors, (156), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) [2024-11-09 05:07:10,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:07:11,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:07:24,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:07:50,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:07:52,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:07:52,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:52,691 INFO L93 Difference]: Finished difference Result 1469 states and 2085 transitions. [2024-11-09 05:07:52,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:07:52,693 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.216216216216216) internal successors, (156), 36 states have internal predecessors, (156), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) Word has length 123 [2024-11-09 05:07:52,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:52,697 INFO L225 Difference]: With dead ends: 1469 [2024-11-09 05:07:52,697 INFO L226 Difference]: Without dead ends: 842 [2024-11-09 05:07:52,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 386 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2544 ImplicationChecksByTransitivity, 63.1s TimeCoverageRelationStatistics Valid=1353, Invalid=5724, Unknown=63, NotChecked=0, Total=7140 [2024-11-09 05:07:52,700 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 643 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 42 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 5294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:52,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 2221 Invalid, 5294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [42 Valid, 5241 Invalid, 11 Unknown, 0 Unchecked, 37.7s Time] [2024-11-09 05:07:52,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-09 05:07:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 630. [2024-11-09 05:07:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 609 states have (on average 1.4285714285714286) internal successors, (870), 609 states have internal predecessors, (870), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:07:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 898 transitions. [2024-11-09 05:07:52,810 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 898 transitions. Word has length 123 [2024-11-09 05:07:52,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:52,815 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 898 transitions. [2024-11-09 05:07:52,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.216216216216216) internal successors, (156), 36 states have internal predecessors, (156), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) [2024-11-09 05:07:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 898 transitions. [2024-11-09 05:07:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 05:07:52,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:52,822 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:52,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-09 05:07:53,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-09 05:07:53,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (60)] Forceful destruction successful, exit code 0 [2024-11-09 05:07:53,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:07:53,423 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:07:53,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash 313244331, now seen corresponding path program 1 times [2024-11-09 05:07:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:07:53,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707835952] [2024-11-09 05:07:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:53,424 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 05:07:53,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:07:53,426 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 05:07:53,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eaa9b6-9c17-46d8-b331-0994dd32e48c/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 (63)] Waiting until timeout for monitored process [2024-11-09 05:07:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:54,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 05:07:54,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:08:00,090 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 05:08:01,534 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 05:08:02,924 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 05:08:04,355 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 05:08:06,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-09 05:08:06,367 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 45 treesize of output 39 [2024-11-09 05:08:07,937 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 60 treesize of output 50 [2024-11-09 05:08:08,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2024-11-09 05:08:10,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 54 [2024-11-09 05:08:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 05:08:10,696 INFO L311 TraceCheckSpWp]: Computing backward predicates...