./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:01:01,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:01:01,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:01:01,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:01:01,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:01:01,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:01:01,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:01:01,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:01:01,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:01:01,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:01:01,253 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:01:01,254 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:01:01,254 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:01:01,255 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:01:01,255 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:01:01,255 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:01:01,256 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:01:01,256 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:01:01,256 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:01:01,257 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:01:01,261 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:01:01,262 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:01:01,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:01:01,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:01:01,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:01:01,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:01:01,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:01:01,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:01:01,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:01:01,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:01:01,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:01:01,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:01:01,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:01:01,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:01:01,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:01:01,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:01:01,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:01:01,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:01:01,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:01:01,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:01:01,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:01:01,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:01:01,271 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:01:01,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:01:01,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:01:01,272 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:01:01,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:01:01,273 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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c [2024-11-09 06:01:01,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:01:01,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:01:01,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:01:01,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:01:01,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:01:01,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i Unable to find full path for "g++" [2024-11-09 06:01:04,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:01:04,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:01:04,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2024-11-09 06:01:04,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data/012123795/077d8792f7bf459a9563656a0facd3d5/FLAG898437f48 [2024-11-09 06:01:04,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data/012123795/077d8792f7bf459a9563656a0facd3d5 [2024-11-09 06:01:04,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:01:04,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:01:04,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:01:04,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:01:04,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:01:04,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:01:04" (1/1) ... [2024-11-09 06:01:04,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddfb362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:04, skipping insertion in model container [2024-11-09 06:01:04,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:01:04" (1/1) ... [2024-11-09 06:01:04,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:01:04,954 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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2024-11-09 06:01:05,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:01:05,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:01:05,073 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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2024-11-09 06:01:05,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:01:05,141 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:01:05,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05 WrapperNode [2024-11-09 06:01:05,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:01:05,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:01:05,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:01:05,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:01:05,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,232 INFO L138 Inliner]: procedures = 29, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-11-09 06:01:05,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:01:05,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:01:05,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:01:05,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:01:05,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:01:05,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:01:05,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:01:05,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:01:05,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (1/1) ... [2024-11-09 06:01:05,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:01:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:01:05,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:01:05,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:01:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:01:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:01:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:01:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:01:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:01:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:01:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:01:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:01:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:01:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:01:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:01:05,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:01:05,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:01:06,456 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-09 06:01:06,456 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:01:07,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:01:07,086 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:01:07,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:01:07 BoogieIcfgContainer [2024-11-09 06:01:07,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:01:07,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:01:07,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:01:07,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:01:07,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:01:04" (1/3) ... [2024-11-09 06:01:07,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a394c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:01:07, skipping insertion in model container [2024-11-09 06:01:07,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:05" (2/3) ... [2024-11-09 06:01:07,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a394c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:01:07, skipping insertion in model container [2024-11-09 06:01:07,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:01:07" (3/3) ... [2024-11-09 06:01:07,106 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-46.i [2024-11-09 06:01:07,132 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:01:07,132 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:01:07,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:01:07,266 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;@512364f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:01:07,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:01:07,280 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 06:01:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 06:01:07,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:07,298 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 06:01:07,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:07,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1819417004, now seen corresponding path program 1 times [2024-11-09 06:01:07,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:07,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634190966] [2024-11-09 06:01:07,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:01:10,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796660634] [2024-11-09 06:01:10,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:10,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:01:10,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:01:10,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:01:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:01:11,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:01:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:01:11,914 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:01:11,918 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:01:11,920 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:01:11,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:01:12,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:01:12,128 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:01:12,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:01:12,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:01:12 BoogieIcfgContainer [2024-11-09 06:01:12,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:01:12,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:01:12,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:01:12,317 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:01:12,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:01:07" (3/4) ... [2024-11-09 06:01:12,322 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:01:12,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:01:12,325 INFO L158 Benchmark]: Toolchain (without parser) took 7705.89ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 121.4MB in the beginning and 106.5MB in the end (delta: 14.9MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-11-09 06:01:12,327 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 102.8MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:01:12,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.81ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 105.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:01:12,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.70ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 102.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:01:12,330 INFO L158 Benchmark]: Boogie Preprocessor took 71.50ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 100.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:01:12,331 INFO L158 Benchmark]: RCFGBuilder took 1781.30ms. Allocated memory is still 151.0MB. Free memory was 99.7MB in the beginning and 110.2MB in the end (delta: -10.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-09 06:01:12,334 INFO L158 Benchmark]: TraceAbstraction took 5224.10ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 110.2MB in the beginning and 106.5MB in the end (delta: 3.7MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-11-09 06:01:12,335 INFO L158 Benchmark]: Witness Printer took 7.45ms. Allocated memory is still 230.7MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:01:12,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 102.8MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.81ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 105.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.70ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 102.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.50ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 100.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1781.30ms. Allocated memory is still 151.0MB. Free memory was 99.7MB in the beginning and 110.2MB in the end (delta: -10.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5224.10ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 110.2MB in the beginning and 106.5MB in the end (delta: 3.7MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Witness Printer took 7.45ms. Allocated memory is still 230.7MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of bitwiseOr at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] double var_1_2 = 31.75; [L25] double* var_1_2_Pointer = &(var_1_2); [L26] signed char var_1_4 = -8; [L27] signed char* var_1_4_Pointer = &(var_1_4); [L28] unsigned char var_1_6 = 0; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] unsigned char var_1_7 = 0; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned char var_1_8 = 1; [L33] unsigned char* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 1; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] signed short int var_1_10 = -4; [L37] signed short int* var_1_10_Pointer = &(var_1_10); [L38] signed short int var_1_12 = 32; [L39] signed short int* var_1_12_Pointer = &(var_1_12); [L40] signed char var_1_13 = -25; [L41] signed char* var_1_13_Pointer = &(var_1_13); [L42] signed char var_1_16 = 4; [L43] signed char* var_1_16_Pointer = &(var_1_16); [L44] unsigned char last_1_var_1_1 = 1; [L45] signed short int last_1_var_1_10 = -4; [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L107] EXPR \read(var_1_1) [L107] last_1_var_1_1 = var_1_1 [L108] EXPR \read(var_1_10) [L108] last_1_var_1_10 = var_1_10 [L118] RET updateLastVariables() [L119] CALL updateVariables() [L84] var_1_2 = __VERIFIER_nondet_double() [L85] EXPR \read(var_1_2) [L85] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F [L85] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) [L85] EXPR \read(var_1_2) [L85] EXPR var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F [L85] EXPR \read(var_1_2) [L85] EXPR var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F [L85] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_4 = __VERIFIER_nondet_char() [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] var_1_6 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] var_1_7 = __VERIFIER_nondet_uchar() [L94] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] var_1_9 = __VERIFIER_nondet_uchar() [L97] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] var_1_12 = __VERIFIER_nondet_short() [L100] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] var_1_16 = __VERIFIER_nondet_char() [L103] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L119] RET updateVariables() [L120] CALL step() [L49] EXPR \read(*var_1_12_Pointer) [L49] EXPR \read(*var_1_4_Pointer) [L49] COND TRUE last_1_var_1_10 <= ((*(var_1_12_Pointer)) / (*(var_1_4_Pointer))) [L50] COND TRUE \read(last_1_var_1_1) [L51] EXPR \read(*var_1_16_Pointer) [L51] (*(var_1_13_Pointer)) = (*(var_1_16_Pointer)) [L54] EXPR \read(*var_1_4_Pointer) [L54] EXPR \read(*var_1_13_Pointer) [L54] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L54] EXPR \read(*var_1_13_Pointer) [L54] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L54] signed long int stepLocal_1 = ((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer)))); [L55] EXPR \read(*var_1_13_Pointer) [L55] EXPR \read(*var_1_4_Pointer) [L55] signed long int stepLocal_0 = (*(var_1_13_Pointer)) / (*(var_1_4_Pointer)); [L56] EXPR \read(*var_1_2_Pointer) [L56] COND FALSE !((- (*(var_1_2_Pointer))) >= 16.75) [L71] (*(var_1_1_Pointer)) = 1 [L73] EXPR \read(*var_1_13_Pointer) [L73] signed char stepLocal_2 = (*(var_1_13_Pointer)); [L74] EXPR \read(*var_1_13_Pointer) [L74] EXPR \read(*var_1_13_Pointer) [L74] EXPR (*(var_1_13_Pointer)) | (*(var_1_13_Pointer)) [L74] EXPR \read(*var_1_4_Pointer) [L74] COND FALSE !((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < stepLocal_2) [L77] (*(var_1_10_Pointer)) = 128 [L79] EXPR \read(*var_1_4_Pointer) [L79] COND TRUE 1 == (*(var_1_4_Pointer)) [L80] EXPR \read(*var_1_9_Pointer) [L80] (*(var_1_8_Pointer)) = (*(var_1_9_Pointer)) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR \read(*var_1_2_Pointer) [L111] EXPR ((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1)) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR \read(*var_1_4_Pointer) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR (((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer))))) [L111] EXPR \read(*var_1_4_Pointer) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L111] EXPR ((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer))))) [L111] EXPR \read(*var_1_1_Pointer) [L111] EXPR ((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer))))) [L111] EXPR (((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer))))) [L111] EXPR ((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1)) [L111] EXPR (((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1) [L111] EXPR ((((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1)) && (((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < (*(var_1_13_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) - 256))) : ((*(var_1_10_Pointer)) == ((signed short int) 128))) [L111] EXPR (((((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1)) && (((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < (*(var_1_13_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) - 256))) : ((*(var_1_10_Pointer)) == ((signed short int) 128)))) && ((last_1_var_1_10 <= ((*(var_1_12_Pointer)) / (*(var_1_4_Pointer)))) ? (last_1_var_1_1 ? ((*(var_1_13_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) : 1) : 1) [L111-L112] return (((((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1)) && (((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < (*(var_1_13_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) - 256))) : ((*(var_1_10_Pointer)) == ((signed short int) 128)))) && ((last_1_var_1_10 <= ((*(var_1_12_Pointer)) / (*(var_1_4_Pointer)))) ? (last_1_var_1_1 ? ((*(var_1_13_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) : 1) : 1) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, 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: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:01:12,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:01:15,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:01:15,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:01:15,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:01:15,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:01:15,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:01:15,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:01:15,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:01:15,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:01:15,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:01:15,881 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:01:15,882 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:01:15,882 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:01:15,884 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:01:15,887 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:01:15,888 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:01:15,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:01:15,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:01:15,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:01:15,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:01:15,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:01:15,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:01:15,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:01:15,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:01:15,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:01:15,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:01:15,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:01:15,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:01:15,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:01:15,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:01:15,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:01:15,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:01:15,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:01:15,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:01:15,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:01:15,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:01:15,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:01:15,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:01:15,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:01:15,906 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:01:15,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:01:15,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:01:15,909 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:01:15,909 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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c [2024-11-09 06:01:16,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:01:16,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:01:16,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:01:16,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:01:16,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:01:16,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i Unable to find full path for "g++" [2024-11-09 06:01:19,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:01:19,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:01:19,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2024-11-09 06:01:19,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data/c9ff597f9/b70df263c9ef4367997260bb2d6af89c/FLAG3c200b992 [2024-11-09 06:01:19,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/data/c9ff597f9/b70df263c9ef4367997260bb2d6af89c [2024-11-09 06:01:19,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:01:19,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:01:19,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:01:19,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:01:19,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:01:19,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:01:19" (1/1) ... [2024-11-09 06:01:19,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3764eded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:19, skipping insertion in model container [2024-11-09 06:01:19,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:01:19" (1/1) ... [2024-11-09 06:01:19,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:01:20,163 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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2024-11-09 06:01:20,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:01:20,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:01:20,275 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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2024-11-09 06:01:20,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:01:20,375 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:01:20,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20 WrapperNode [2024-11-09 06:01:20,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:01:20,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:01:20,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:01:20,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:01:20,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,455 INFO L138 Inliner]: procedures = 33, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 405 [2024-11-09 06:01:20,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:01:20,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:01:20,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:01:20,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:01:20,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:01:20,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:01:20,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:01:20,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:01:20,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (1/1) ... [2024-11-09 06:01:20,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:01:20,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:01:20,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:01:20,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:01:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:01:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:01:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:01:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:01:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 06:01:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:01:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:01:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:01:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:01:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:01:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:01:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:01:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:01:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:01:20,875 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:01:20,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:01:21,805 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-09 06:01:21,809 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:01:21,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:01:21,831 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:01:21,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:01:21 BoogieIcfgContainer [2024-11-09 06:01:21,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:01:21,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:01:21,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:01:21,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:01:21,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:01:19" (1/3) ... [2024-11-09 06:01:21,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b9661d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:01:21, skipping insertion in model container [2024-11-09 06:01:21,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:01:20" (2/3) ... [2024-11-09 06:01:21,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b9661d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:01:21, skipping insertion in model container [2024-11-09 06:01:21,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:01:21" (3/3) ... [2024-11-09 06:01:21,848 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-46.i [2024-11-09 06:01:21,872 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:01:21,873 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:01:21,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:01:21,995 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;@22272199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:01:21,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:01:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 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 06:01:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 06:01:22,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:22,028 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] [2024-11-09 06:01:22,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:22,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:22,036 INFO L85 PathProgramCache]: Analyzing trace with hash 566918564, now seen corresponding path program 1 times [2024-11-09 06:01:22,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:22,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471708511] [2024-11-09 06:01:22,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:22,059 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 06:01:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:22,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:22,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:22,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:01:22,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 06:01:22,679 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:22,680 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:22,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471708511] [2024-11-09 06:01:22,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471708511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:22,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:22,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:01:22,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301939227] [2024-11-09 06:01:22,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:22,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:01:22,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:22,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:01:22,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:01:22,750 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 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 25.5) internal successors, (51), 2 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 06:01:22,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:22,819 INFO L93 Difference]: Finished difference Result 179 states and 278 transitions. [2024-11-09 06:01:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:01:22,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 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 114 [2024-11-09 06:01:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:22,846 INFO L225 Difference]: With dead ends: 179 [2024-11-09 06:01:22,846 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 06:01:22,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 06:01:22,865 INFO L432 NwaCegarLoop]: 128 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, 128 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 06:01:22,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:01:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 06:01:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-09 06:01:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.36986301369863) internal successors, (100), 73 states have internal predecessors, (100), 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 06:01:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2024-11-09 06:01:23,023 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 114 [2024-11-09 06:01:23,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:23,028 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2024-11-09 06:01:23,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 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 06:01:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2024-11-09 06:01:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 06:01:23,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:23,038 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] [2024-11-09 06:01:23,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:23,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:23,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:23,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash 553280904, now seen corresponding path program 1 times [2024-11-09 06:01:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:23,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405479041] [2024-11-09 06:01:23,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:23,243 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 06:01:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:23,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:23,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:23,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 06:01:23,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:24,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:25,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:27,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:01:28,178 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 17 treesize of output 12 [2024-11-09 06:01:29,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:29,675 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 17 treesize of output 12 [2024-11-09 06:01:30,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:31,105 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 28 [2024-11-09 06:01:31,254 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 28 [2024-11-09 06:01:31,380 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 32 treesize of output 16 [2024-11-09 06:01:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:01:31,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:31,645 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_51 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_51) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:01:32,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:32,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405479041] [2024-11-09 06:01:32,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405479041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:32,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [95343267] [2024-11-09 06:01:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:32,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:01:32,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:01:32,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:01:32,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:01:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:33,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 06:01:33,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:34,670 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 12 treesize of output 8 [2024-11-09 06:01:34,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:34,919 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 17 treesize of output 12 [2024-11-09 06:01:35,026 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 06:01:35,187 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 06:01:35,187 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:35,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [95343267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:35,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:01:35,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-11-09 06:01:35,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229291305] [2024-11-09 06:01:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:35,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:01:35,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:01:35,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=541, Unknown=9, NotChecked=48, Total=702 [2024-11-09 06:01:35,194 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 06:01:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:36,320 INFO L93 Difference]: Finished difference Result 214 states and 308 transitions. [2024-11-09 06:01:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:01:36,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 114 [2024-11-09 06:01:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:36,327 INFO L225 Difference]: With dead ends: 214 [2024-11-09 06:01:36,327 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 06:01:36,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=118, Invalid=633, Unknown=9, NotChecked=52, Total=812 [2024-11-09 06:01:36,330 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 218 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:36,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 362 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 06:01:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 06:01:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 97. [2024-11-09 06:01:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 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 06:01:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2024-11-09 06:01:36,363 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 114 [2024-11-09 06:01:36,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:36,368 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2024-11-09 06:01:36,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 06:01:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2024-11-09 06:01:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:01:36,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:36,372 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] [2024-11-09 06:01:36,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 06:01:36,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:36,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:36,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:36,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:36,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2145996413, now seen corresponding path program 1 times [2024-11-09 06:01:36,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:36,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273700364] [2024-11-09 06:01:36,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:36,776 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 06:01:36,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:36,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:36,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:01:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:37,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 06:01:37,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:37,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:38,648 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 17 treesize of output 12 [2024-11-09 06:01:39,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:40,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:41,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:41,709 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 17 treesize of output 12 [2024-11-09 06:01:42,122 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 17 treesize of output 12 [2024-11-09 06:01:42,682 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 28 [2024-11-09 06:01:42,818 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 28 [2024-11-09 06:01:42,903 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 32 treesize of output 16 [2024-11-09 06:01:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:01:42,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:43,128 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_106 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_106) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (_ bv1 32)))) is different from false [2024-11-09 06:01:43,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:43,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273700364] [2024-11-09 06:01:43,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273700364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:43,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [266772134] [2024-11-09 06:01:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:43,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:01:43,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:01:43,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:01:43,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 06:01:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:44,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 06:01:44,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:45,461 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 06:01:46,576 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 06:01:48,174 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 06:01:48,954 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 06:01:49,672 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 06:01:50,426 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 06:01:51,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:01:55,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-09 06:01:56,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-09 06:01:57,980 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 47 treesize of output 27 [2024-11-09 06:01:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 335 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 06:01:59,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:59,638 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_136 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_136) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:02:01,535 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_135 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_136 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_135) c_~var_1_10_Pointer~0.base v_ArrVal_136) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) (bvsle ((_ sign_extend 16) c_~last_1_var_1_10~0) (bvsdiv ((_ sign_extend 16) ((_ extract 15 0) (select (select |c_#memory_int| c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:02:01,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [266772134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:02:01,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708083463] [2024-11-09 06:02:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:02:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:02:01,708 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:02:01,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:02:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:02,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 06:02:02,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:03,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:02:04,136 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 06:02:04,808 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 06:02:04,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:02:05,863 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 06:02:06,039 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 06:02:06,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708083463] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:02:06,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:02:06,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14, 18, 9] total 44 [2024-11-09 06:02:06,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138598814] [2024-11-09 06:02:06,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:02:06,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:02:06,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:02:06,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:02:06,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2328, Unknown=42, NotChecked=300, Total=2862 [2024-11-09 06:02:06,045 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 06:02:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:07,552 INFO L93 Difference]: Finished difference Result 233 states and 333 transitions. [2024-11-09 06:02:07,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:02:07,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 116 [2024-11-09 06:02:07,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:07,555 INFO L225 Difference]: With dead ends: 233 [2024-11-09 06:02:07,555 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 06:02:07,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=204, Invalid=2628, Unknown=42, NotChecked=318, Total=3192 [2024-11-09 06:02:07,558 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 45 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:07,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 762 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 06:02:07,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 06:02:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 118. [2024-11-09 06:02:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 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 06:02:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2024-11-09 06:02:07,575 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 116 [2024-11-09 06:02:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:07,576 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2024-11-09 06:02:07,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 06:02:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2024-11-09 06:02:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:02:07,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:07,580 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] [2024-11-09 06:02:07,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 06:02:07,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:08,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:02:08,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:02:08,182 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:08,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:08,183 INFO L85 PathProgramCache]: Analyzing trace with hash 869107205, now seen corresponding path program 1 times [2024-11-09 06:02:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:02:08,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761435480] [2024-11-09 06:02:08,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:08,185 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 06:02:08,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:02:08,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:08,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:08,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:02:08,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:08,674 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 19 treesize of output 11 [2024-11-09 06:02:09,127 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 06:02:09,128 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:02:09,128 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:02:09,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761435480] [2024-11-09 06:02:09,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761435480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:02:09,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:02:09,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:02:09,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723884766] [2024-11-09 06:02:09,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:02:09,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:02:09,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:02:09,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:02:09,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:02:09,131 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 06:02:15,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:15,138 INFO L93 Difference]: Finished difference Result 253 states and 360 transitions. [2024-11-09 06:02:15,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:02:15,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 116 [2024-11-09 06:02:15,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:15,141 INFO L225 Difference]: With dead ends: 253 [2024-11-09 06:02:15,141 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 06:02:15,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:02:15,143 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 43 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:15,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 448 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 06:02:15,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 06:02:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2024-11-09 06:02:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 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 06:02:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 167 transitions. [2024-11-09 06:02:15,180 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 167 transitions. Word has length 116 [2024-11-09 06:02:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:15,182 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 167 transitions. [2024-11-09 06:02:15,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 06:02:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2024-11-09 06:02:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:02:15,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:15,185 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] [2024-11-09 06:02:15,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 06:02:15,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:15,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:15,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:15,390 INFO L85 PathProgramCache]: Analyzing trace with hash -677599213, now seen corresponding path program 1 times [2024-11-09 06:02:15,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:02:15,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786741160] [2024-11-09 06:02:15,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:15,393 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 06:02:15,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:02:15,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:15,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 06:02:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:15,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 06:02:15,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:16,281 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 17 treesize of output 12 [2024-11-09 06:02:16,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:02:18,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:02:18,889 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 17 treesize of output 12 [2024-11-09 06:02:19,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:02:19,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:02:20,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:02:21,002 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 28 [2024-11-09 06:02:21,114 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 28 [2024-11-09 06:02:21,186 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 32 treesize of output 16 [2024-11-09 06:02:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:02:21,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:02:21,368 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_208) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (_ bv1 32)))) is different from false [2024-11-09 06:02:21,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:02:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786741160] [2024-11-09 06:02:21,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786741160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:02:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [809259589] [2024-11-09 06:02:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:21,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:02:21,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:02:21,805 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:02:21,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 06:02:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:22,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 06:02:22,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:23,609 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 06:02:24,865 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 06:02:26,691 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 06:02:28,031 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 06:02:29,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:02:30,061 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 06:02:31,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 06:02:35,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-11-09 06:02:36,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-11-09 06:02:38,319 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 39 treesize of output 23 [2024-11-09 06:02:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 335 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 06:02:40,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:02:40,222 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_239 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_239) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:02:40,873 WARN L851 $PredicateComparison]: unable to prove that (or (bvsle ((_ sign_extend 16) c_~last_1_var_1_10~0) (bvsdiv ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem4#1|) ((_ sign_extend 24) |c_ULTIMATE.start_step_#t~mem5#1|))) (forall ((v_ArrVal_238 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_239 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_238) c_~var_1_10_Pointer~0.base v_ArrVal_239) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))))))) is different from false [2024-11-09 06:02:41,060 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_238 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_239 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_238) c_~var_1_10_Pointer~0.base v_ArrVal_239) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) (bvsle ((_ sign_extend 16) c_~last_1_var_1_10~0) (bvsdiv ((_ sign_extend 16) ((_ extract 15 0) (select (select |c_#memory_int| c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:02:41,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [809259589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:02:41,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310928521] [2024-11-09 06:02:41,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:41,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:02:41,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:02:41,328 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:02:41,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 06:02:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:41,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:02:41,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:43,081 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-09 06:02:43,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 38 [2024-11-09 06:02:43,096 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 25 treesize of output 19 [2024-11-09 06:02:43,657 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 28 treesize of output 20 [2024-11-09 06:02:48,215 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 06:02:48,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:02:48,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310928521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:02:48,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:02:48,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14, 18] total 34 [2024-11-09 06:02:48,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531745417] [2024-11-09 06:02:48,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:02:48,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:02:48,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:02:48,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:02:48,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1402, Unknown=49, NotChecked=324, Total=1980 [2024-11-09 06:02:48,219 INFO L87 Difference]: Start difference. First operand 117 states and 167 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 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 06:02:52,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:52,476 INFO L93 Difference]: Finished difference Result 274 states and 389 transitions. [2024-11-09 06:02:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:02:52,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 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 116 [2024-11-09 06:02:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:52,479 INFO L225 Difference]: With dead ends: 274 [2024-11-09 06:02:52,479 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 06:02:52,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=222, Invalid=1551, Unknown=49, NotChecked=340, Total=2162 [2024-11-09 06:02:52,482 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 159 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:52,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 278 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 06:02:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 06:02:52,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 121. [2024-11-09 06:02:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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 06:02:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 171 transitions. [2024-11-09 06:02:52,500 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 171 transitions. Word has length 116 [2024-11-09 06:02:52,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:52,501 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 171 transitions. [2024-11-09 06:02:52,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 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 06:02:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-11-09 06:02:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:02:52,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:52,504 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] [2024-11-09 06:02:52,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:02:52,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 06:02:52,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 06:02:53,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:53,105 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:53,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:53,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1264405227, now seen corresponding path program 1 times [2024-11-09 06:02:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:02:53,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120637498] [2024-11-09 06:02:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:53,107 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 06:02:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:02:53,111 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:02:53,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 06:02:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:53,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 06:02:53,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:54,030 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 06:02:55,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:02:57,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:02:58,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:02:59,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:03:00,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:03:01,284 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 109 treesize of output 82 [2024-11-09 06:03:03,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 06:03:03,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 06:03:03,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:03,562 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 144 treesize of output 54 [2024-11-09 06:03:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:03:03,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:03:04,698 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_288 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_289 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_288) c_~var_1_10_Pointer~0.base v_ArrVal_289) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-09 06:03:05,345 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:03:05,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120637498] [2024-11-09 06:03:05,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120637498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:03:05,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [460311570] [2024-11-09 06:03:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:05,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:03:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:03:05,347 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:03:05,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 06:03:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:06,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 06:03:06,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:07,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-09 06:03:10,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2024-11-09 06:03:13,695 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 113 treesize of output 82 [2024-11-09 06:03:15,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2024-11-09 06:03:17,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2024-11-09 06:03:18,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2024-11-09 06:03:20,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2024-11-09 06:03:23,086 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 111 treesize of output 80 [2024-11-09 06:03:23,414 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 111 treesize of output 80 [2024-11-09 06:03:23,782 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 142 treesize of output 62 [2024-11-09 06:03:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:03:26,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:03:27,022 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_317 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_317) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-09 06:03:27,047 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_317 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_316) c_~var_1_10_Pointer~0.base v_ArrVal_317) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-09 06:03:27,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [460311570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:03:27,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339825279] [2024-11-09 06:03:27,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:03:27,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:03:27,694 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:03:27,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 06:03:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:28,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:03:28,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:30,144 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 57 treesize of output 42 [2024-11-09 06:03:30,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-09 06:03:30,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:30,892 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 94 treesize of output 34 [2024-11-09 06:03:35,269 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 06:03:35,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:03:35,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339825279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:03:35,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:03:35,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17, 17] total 39 [2024-11-09 06:03:35,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470270044] [2024-11-09 06:03:35,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:03:35,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:03:35,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:03:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:03:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1822, Unknown=24, NotChecked=276, Total=2450 [2024-11-09 06:03:35,273 INFO L87 Difference]: Start difference. First operand 121 states and 171 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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 06:03:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:03:37,632 INFO L93 Difference]: Finished difference Result 280 states and 394 transitions. [2024-11-09 06:03:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:03:37,635 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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 116 [2024-11-09 06:03:37,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:03:37,636 INFO L225 Difference]: With dead ends: 280 [2024-11-09 06:03:37,636 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 06:03:37,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=342, Invalid=1902, Unknown=24, NotChecked=282, Total=2550 [2024-11-09 06:03:37,642 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 159 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:03:37,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 406 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 06:03:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 06:03:37,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 125. [2024-11-09 06:03:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 109 states have internal predecessors, (148), 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 06:03:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 176 transitions. [2024-11-09 06:03:37,673 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 176 transitions. Word has length 116 [2024-11-09 06:03:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:03:37,674 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 176 transitions. [2024-11-09 06:03:37,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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 06:03:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 176 transitions. [2024-11-09 06:03:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:03:37,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:03:37,679 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] [2024-11-09 06:03:37,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 06:03:37,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 06:03:38,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-09 06:03:38,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:03:38,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:03:38,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:03:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1957462891, now seen corresponding path program 1 times [2024-11-09 06:03:38,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:03:38,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402746725] [2024-11-09 06:03:38,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:38,286 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 06:03:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:03:38,287 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:03:38,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-09 06:03:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:38,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:03:38,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:39,273 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 17 treesize of output 12 [2024-11-09 06:03:40,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:41,229 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 17 treesize of output 12 [2024-11-09 06:03:41,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:42,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:43,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:43,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:44,300 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 28 [2024-11-09 06:03:44,401 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 28 [2024-11-09 06:03:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:03:44,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:03:44,811 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_367 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_367))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset))))) (bvslt (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (bvor .cse1 .cse1)) .cse1)))) is different from false [2024-11-09 06:03:45,363 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:03:45,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402746725] [2024-11-09 06:03:45,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402746725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:03:45,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [33377827] [2024-11-09 06:03:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:45,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:03:45,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:03:45,367 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:03:45,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 06:03:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:46,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 06:03:46,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:47,321 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 06:03:48,789 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 06:03:51,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:52,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:53,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:54,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:03:56,125 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 06:04:00,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-09 06:04:03,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-09 06:04:04,232 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 47 treesize of output 27 [2024-11-09 06:04:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 335 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 06:04:05,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:04:06,133 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_397 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_397) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:04:10,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [33377827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:04:10,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109563313] [2024-11-09 06:04:10,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:10,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:04:10,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:04:10,769 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:04:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 06:04:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:11,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:04:11,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:21,325 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-09 06:04:21,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 44 [2024-11-09 06:04:21,388 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 34 treesize of output 28 [2024-11-09 06:04:25,303 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 36 treesize of output 29 [2024-11-09 06:04:28,584 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 36 treesize of output 24 [2024-11-09 06:04:49,534 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 06:04:49,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:04:49,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109563313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:04:49,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:04:49,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13, 18] total 39 [2024-11-09 06:04:49,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020238993] [2024-11-09 06:04:49,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:49,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:04:49,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:04:49,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2097, Unknown=43, NotChecked=190, Total=2550 [2024-11-09 06:04:49,538 INFO L87 Difference]: Start difference. First operand 125 states and 176 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 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 06:04:51,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:04:58,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:07,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:11,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:15,242 WARN L539 Checker$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 06:05:17,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:21,419 WARN L539 Checker$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 06:05:23,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:25,798 WARN L539 Checker$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 06:05:27,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:29,806 WARN L539 Checker$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 06:05:31,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:35,564 WARN L539 Checker$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 06:05:37,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:41,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:47,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:05:54,446 WARN L539 Checker$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 06:05:59,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:06:00,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:06:02,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:06:05,514 WARN L539 Checker$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 06:06:08,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:06:10,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:06:14,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:06:19,495 WARN L539 Checker$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 06:06:19,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:06:19,674 INFO L93 Difference]: Finished difference Result 301 states and 423 transitions. [2024-11-09 06:06:19,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:06:19,688 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 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 116 [2024-11-09 06:06:19,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:06:19,689 INFO L225 Difference]: With dead ends: 301 [2024-11-09 06:06:19,689 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 06:06:19,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 57.1s TimeCoverageRelationStatistics Valid=261, Invalid=2460, Unknown=43, NotChecked=206, Total=2970 [2024-11-09 06:06:19,691 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 182 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 8 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:06:19,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 499 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 543 Invalid, 14 Unknown, 0 Unchecked, 81.9s Time] [2024-11-09 06:06:19,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 06:06:19,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 131. [2024-11-09 06:06:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 115 states have (on average 1.373913043478261) internal successors, (158), 115 states have internal predecessors, (158), 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 06:06:19,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 186 transitions. [2024-11-09 06:06:19,716 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 186 transitions. Word has length 116 [2024-11-09 06:06:19,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:06:19,716 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 186 transitions. [2024-11-09 06:06:19,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 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 06:06:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 186 transitions. [2024-11-09 06:06:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 06:06:19,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:06:19,721 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] [2024-11-09 06:06:19,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-09 06:06:19,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 06:06:20,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 06:06:20,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:06:20,324 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:06:20,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:06:20,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1417707853, now seen corresponding path program 1 times [2024-11-09 06:06:20,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:06:20,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215154580] [2024-11-09 06:06:20,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:06:20,326 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 06:06:20,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:06:20,335 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:06:20,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-09 06:06:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:06:20,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 06:06:20,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:06:22,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:06:23,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:06:26,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:06:29,014 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 17 treesize of output 12 [2024-11-09 06:06:30,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:06:32,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:06:33,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:06:36,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-09 06:06:36,336 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 65 treesize of output 33 [2024-11-09 06:06:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:06:36,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:06:38,906 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:06:38,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215154580] [2024-11-09 06:06:38,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215154580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:06:38,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [929608303] [2024-11-09 06:06:38,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:06:38,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:06:38,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:06:38,908 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:06:38,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 06:06:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:06:40,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 06:06:40,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:06:41,564 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 06:06:44,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:06:48,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:06:50,925 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 06:06:53,472 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 06:06:56,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:07:00,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:07:09,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-09 06:07:13,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-09 06:07:16,013 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 47 treesize of output 27 [2024-11-09 06:07:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 335 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 06:07:18,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:07:19,358 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_479 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_479) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:07:26,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [929608303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:07:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748284188] [2024-11-09 06:07:26,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:26,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:07:26,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:07:26,296 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:07:26,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 06:07:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:26,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 06:07:26,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:07:28,499 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 06:07:39,028 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 06:07:44,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:07:52,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-11-09 06:07:55,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-11-09 06:07:58,497 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 39 treesize of output 23 [2024-11-09 06:08:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 179 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-09 06:08:01,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:08:01,407 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_505 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_505) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:08:01,465 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_505 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_504 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_504) c_~var_1_10_Pointer~0.base v_ArrVal_505) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))))) is different from false [2024-11-09 06:08:04,858 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_4_Pointer~0.offset (_ BitVec 32))) (or (bvsle ((_ sign_extend 16) c_~last_1_var_1_10~0) (bvsdiv ((_ sign_extend 16) ((_ extract 15 0) (select (select |c_#memory_int| c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_4_Pointer~0.base) ~var_1_4_Pointer~0.offset))))) (forall ((v_ArrVal_505 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_504 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_504) c_~var_1_10_Pointer~0.base v_ArrVal_505) c_~var_1_4_Pointer~0.base) ~var_1_4_Pointer~0.offset)))))))) is different from false [2024-11-09 06:08:05,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748284188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:08:05,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:08:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 14] total 43 [2024-11-09 06:08:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054557434] [2024-11-09 06:08:05,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:08:05,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-09 06:08:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:08:05,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-09 06:08:05,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2782, Unknown=43, NotChecked=444, Total=3540 [2024-11-09 06:08:05,188 INFO L87 Difference]: Start difference. First operand 131 states and 186 transitions. Second operand has 44 states, 42 states have (on average 4.0476190476190474) internal successors, (170), 41 states have internal predecessors, (170), 19 states have call successors, (42), 19 states have call predecessors, (42), 19 states have return successors, (42), 17 states have call predecessors, (42), 19 states have call successors, (42) [2024-11-09 06:08:45,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:49,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:50,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:52,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:54,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:55,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:58,284 WARN L539 Checker$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 06:09:01,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:05,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:12,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:16,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:17,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:21,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:22,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:24,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:25,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:29,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:32,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:34,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:35,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:36,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:37,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:39,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:41,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:42,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:43,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:44,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:46,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:13,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:14,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:16,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:18,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:22,834 WARN L539 Checker$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 06:10:54,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:11:16,837 INFO L93 Difference]: Finished difference Result 753 states and 1051 transitions. [2024-11-09 06:11:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-09 06:11:16,839 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 42 states have (on average 4.0476190476190474) internal successors, (170), 41 states have internal predecessors, (170), 19 states have call successors, (42), 19 states have call predecessors, (42), 19 states have return successors, (42), 17 states have call predecessors, (42), 19 states have call successors, (42) Word has length 116 [2024-11-09 06:11:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:11:16,843 INFO L225 Difference]: With dead ends: 753 [2024-11-09 06:11:16,844 INFO L226 Difference]: Without dead ends: 625 [2024-11-09 06:11:16,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2229 ImplicationChecksByTransitivity, 119.0s TimeCoverageRelationStatistics Valid=1714, Invalid=7570, Unknown=44, NotChecked=772, Total=10100 [2024-11-09 06:11:16,849 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 2142 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 3178 mSolverCounterSat, 648 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 3828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 3178 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:11:16,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2142 Valid, 2365 Invalid, 3828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [648 Valid, 3178 Invalid, 2 Unknown, 0 Unchecked, 122.5s Time] [2024-11-09 06:11:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-09 06:11:16,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 366. [2024-11-09 06:11:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 317 states have (on average 1.362776025236593) internal successors, (432), 318 states have internal predecessors, (432), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 06:11:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 518 transitions. [2024-11-09 06:11:16,932 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 518 transitions. Word has length 116 [2024-11-09 06:11:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:11:16,934 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 518 transitions. [2024-11-09 06:11:16,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 42 states have (on average 4.0476190476190474) internal successors, (170), 41 states have internal predecessors, (170), 19 states have call successors, (42), 19 states have call predecessors, (42), 19 states have return successors, (42), 17 states have call predecessors, (42), 19 states have call successors, (42) [2024-11-09 06:11:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 518 transitions. [2024-11-09 06:11:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 06:11:16,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:11:16,938 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 06:11:16,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-09 06:11:17,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 06:11:17,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 06:11:17,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:11:17,539 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:11:17,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:11:17,540 INFO L85 PathProgramCache]: Analyzing trace with hash -453829399, now seen corresponding path program 1 times [2024-11-09 06:11:17,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:11:17,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425236991] [2024-11-09 06:11:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:17,541 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 06:11:17,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:11:17,542 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:11:17,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:11:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:17,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 06:11:17,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:11:19,497 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 06:11:23,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:11:28,866 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 109 treesize of output 82 [2024-11-09 06:11:32,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:11:34,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:11:37,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:11:39,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:11:42,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:11:44,223 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 107 treesize of output 80 [2024-11-09 06:11:44,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 06:11:45,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 06:11:45,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:11:45,666 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 144 treesize of output 54 [2024-11-09 06:11:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:11:46,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:11:47,504 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_538 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_539 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_538) c_~var_1_8_Pointer~0.base v_ArrVal_539) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-09 06:11:47,573 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_538 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_539 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_537 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_537) c_~var_1_10_Pointer~0.base v_ArrVal_538) c_~var_1_8_Pointer~0.base v_ArrVal_539) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-09 06:11:48,755 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_538 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_539 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_536 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_537 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (.cse3 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_536)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) (or (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) .cse4)) (fp.geq (fp.neg (let ((.cse5 (let ((.cse6 (select (store (store (store .cse3 c_~var_1_1_Pointer~0.base v_ArrVal_537) c_~var_1_10_Pointer~0.base v_ArrVal_538) c_~var_1_8_Pointer~0.base v_ArrVal_539) c_~var_1_2_Pointer~0.base))) (concat (select .cse6 .cse2) (select .cse6 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))) .cse4)))) is different from false [2024-11-09 06:11:49,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:11:49,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425236991] [2024-11-09 06:11:49,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425236991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:11:49,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [845587668] [2024-11-09 06:11:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:11:49,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:11:49,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:11:49,079 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:11:49,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 06:11:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:11:50,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:11:50,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:11:57,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-09 06:11:58,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2024-11-09 06:11:58,919 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 57 treesize of output 42 [2024-11-09 06:11:59,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:11:59,335 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 94 treesize of output 34 [2024-11-09 06:12:01,769 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 06:12:01,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:12:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [845587668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:01,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:12:01,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 26 [2024-11-09 06:12:01,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728814625] [2024-11-09 06:12:01,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:01,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:12:01,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:12:01,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:12:01,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=805, Unknown=24, NotChecked=186, Total=1190 [2024-11-09 06:12:01,773 INFO L87 Difference]: Start difference. First operand 366 states and 518 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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 06:12:06,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:06,671 INFO L93 Difference]: Finished difference Result 603 states and 853 transitions. [2024-11-09 06:12:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:12:06,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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 117 [2024-11-09 06:12:06,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:06,678 INFO L225 Difference]: With dead ends: 603 [2024-11-09 06:12:06,679 INFO L226 Difference]: Without dead ends: 475 [2024-11-09 06:12:06,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=188, Invalid=856, Unknown=24, NotChecked=192, Total=1260 [2024-11-09 06:12:06,684 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 160 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:06,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 442 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 06:12:06,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-09 06:12:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 358. [2024-11-09 06:12:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 309 states have (on average 1.3559870550161812) internal successors, (419), 310 states have internal predecessors, (419), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 06:12:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 505 transitions. [2024-11-09 06:12:06,753 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 505 transitions. Word has length 117 [2024-11-09 06:12:06,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:06,754 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 505 transitions. [2024-11-09 06:12:06,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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 06:12:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 505 transitions. [2024-11-09 06:12:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 06:12:06,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:06,756 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] [2024-11-09 06:12:06,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:12:06,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 06:12:07,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:12:07,157 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:07,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash 484646155, now seen corresponding path program 1 times [2024-11-09 06:12:07,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:07,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105897217] [2024-11-09 06:12:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:07,159 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 06:12:07,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:07,162 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:12:07,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-09 06:12:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:07,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 06:12:07,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:12,430 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 06:12:14,748 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 06:12:16,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:12:17,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:12:18,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:12:20,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 06:12:20,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:12:20,651 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 06:12:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 06:12:20,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:12:21,282 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_591 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_591) c_~var_1_6_Pointer~0.base) c_~var_1_6_Pointer~0.offset)))) is different from false [2024-11-09 06:12:21,346 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_590 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_591 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_590) c_~var_1_10_Pointer~0.base v_ArrVal_591) c_~var_1_6_Pointer~0.base) c_~var_1_6_Pointer~0.offset)))) is different from false [2024-11-09 06:12:21,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:21,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105897217] [2024-11-09 06:12:21,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105897217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:12:21,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [451036495] [2024-11-09 06:12:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:21,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:12:21,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:12:21,510 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:12:21,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 06:12:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:22,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:12:22,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:25,353 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 06:12:25,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:12:25,962 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 06:12:26,720 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 06:12:26,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:12:26,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [451036495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:26,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:12:26,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 21 [2024-11-09 06:12:26,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229261794] [2024-11-09 06:12:26,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:26,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:12:26,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:12:26,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:12:26,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=462, Unknown=2, NotChecked=90, Total=650 [2024-11-09 06:12:26,723 INFO L87 Difference]: Start difference. First operand 358 states and 505 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 06:12:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:29,943 INFO L93 Difference]: Finished difference Result 705 states and 986 transitions. [2024-11-09 06:12:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:12:29,944 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 118 [2024-11-09 06:12:29,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:29,948 INFO L225 Difference]: With dead ends: 705 [2024-11-09 06:12:29,948 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 06:12:29,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=120, Invalid=642, Unknown=2, NotChecked=106, Total=870 [2024-11-09 06:12:29,950 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 171 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:29,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 543 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 06:12:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 06:12:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 396. [2024-11-09 06:12:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 347 states have (on average 1.3544668587896254) internal successors, (470), 348 states have internal predecessors, (470), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 06:12:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2024-11-09 06:12:30,012 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 118 [2024-11-09 06:12:30,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:30,012 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2024-11-09 06:12:30,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 06:12:30,013 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2024-11-09 06:12:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 06:12:30,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:30,015 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] [2024-11-09 06:12:30,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 06:12:30,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-09 06:12:30,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:12:30,416 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:30,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash -102159859, now seen corresponding path program 1 times [2024-11-09 06:12:30,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:30,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567047186] [2024-11-09 06:12:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:30,418 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 06:12:30,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:30,419 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:12:30,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-09 06:12:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:30,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 06:12:30,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:32,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:12:35,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:12:39,748 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 109 treesize of output 82 [2024-11-09 06:12:42,224 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 109 treesize of output 82 [2024-11-09 06:12:44,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:12:46,855 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 109 treesize of output 82 [2024-11-09 06:12:48,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 06:12:51,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 119 [2024-11-09 06:12:51,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 81 [2024-11-09 06:12:52,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:12:52,211 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 145 treesize of output 55 [2024-11-09 06:12:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:12:52,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:12:53,217 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_641 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_641) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) is different from false [2024-11-09 06:12:53,289 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) (or (forall ((v_ArrVal_640 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_641 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_640) c_~var_1_10_Pointer~0.base v_ArrVal_641) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) .cse2))) (fp.geq (fp.neg |c_ULTIMATE.start_step_#t~mem14#1|) .cse2))) is different from false [2024-11-09 06:12:53,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:53,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567047186] [2024-11-09 06:12:53,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567047186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:12:53,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2010277187] [2024-11-09 06:12:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:53,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:12:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:12:53,900 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:12:53,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 06:12:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:55,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 06:12:55,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:56,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-09 06:13:01,464 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 105 treesize of output 76 [2024-11-09 06:13:06,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 06:13:09,229 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 105 treesize of output 76 [2024-11-09 06:13:11,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 06:13:14,510 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 105 treesize of output 76 [2024-11-09 06:13:16,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 06:13:20,251 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 148 treesize of output 107 [2024-11-09 06:13:21,024 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 104 treesize of output 75 [2024-11-09 06:13:21,822 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 135 treesize of output 59 [2024-11-09 06:13:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:13:24,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:24,859 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_671 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_671) c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) is different from false [2024-11-09 06:13:24,944 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) (or (fp.geq (fp.neg |c_ULTIMATE.start_step_#t~mem14#1|) .cse0) (forall ((v_ArrVal_670 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_671 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse1 (let ((.cse2 (select (store (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_670) c_~var_1_10_Pointer~0.base v_ArrVal_671) c_~var_1_2_Pointer~0.base))) (concat (select .cse2 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse2 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) .cse0))))) is different from false [2024-11-09 06:13:25,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2010277187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:25,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230364877] [2024-11-09 06:13:25,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:25,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:25,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:25,898 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:25,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 06:13:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:26,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:13:26,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:31,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:13:31,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:13:32,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:13:32,095 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 95 treesize of output 35 [2024-11-09 06:13:55,916 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 06:13:55,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:13:55,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230364877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:55,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:13:55,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16, 16] total 36 [2024-11-09 06:13:55,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512763959] [2024-11-09 06:13:55,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:55,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:13:55,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:13:55,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:13:55,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1357, Unknown=29, NotChecked=324, Total=1980 [2024-11-09 06:13:55,919 INFO L87 Difference]: Start difference. First operand 396 states and 556 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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 06:13:59,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s 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 06:14:01,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:04,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:06,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:09,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s 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 06:14:11,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:13,734 WARN L539 Checker$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 06:14:15,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:17,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s 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 06:14:19,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:21,942 WARN L539 Checker$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 06:14:23,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:25,728 WARN L539 Checker$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 06:14:27,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:29,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:31,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:33,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:34,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:36,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:38,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:42,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s 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 06:14:43,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:14:43,965 INFO L93 Difference]: Finished difference Result 724 states and 1004 transitions. [2024-11-09 06:14:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:14:43,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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 118 [2024-11-09 06:14:43,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:14:43,971 INFO L225 Difference]: With dead ends: 724 [2024-11-09 06:14:43,971 INFO L226 Difference]: Without dead ends: 458 [2024-11-09 06:14:43,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 41.7s TimeCoverageRelationStatistics Valid=289, Invalid=1504, Unknown=29, NotChecked=340, Total=2162 [2024-11-09 06:14:43,974 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 162 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 5 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:14:43,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 282 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 216 Invalid, 15 Unknown, 0 Unchecked, 47.4s Time] [2024-11-09 06:14:43,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-09 06:14:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 396. [2024-11-09 06:14:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 347 states have (on average 1.345821325648415) internal successors, (467), 348 states have internal predecessors, (467), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 06:14:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 553 transitions. [2024-11-09 06:14:44,035 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 553 transitions. Word has length 118 [2024-11-09 06:14:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:14:44,036 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 553 transitions. [2024-11-09 06:14:44,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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 06:14:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 553 transitions. [2024-11-09 06:14:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 06:14:44,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:14:44,038 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] [2024-11-09 06:14:44,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-09 06:14:44,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 06:14:44,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2024-11-09 06:14:44,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:14:44,639 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:14:44,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:14:44,639 INFO L85 PathProgramCache]: Analyzing trace with hash -75973444, now seen corresponding path program 1 times [2024-11-09 06:14:44,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:14:44,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395089980] [2024-11-09 06:14:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:14:44,641 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 06:14:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:14:44,644 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/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 06:14:44,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-09 06:14:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:14:45,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 06:14:45,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:14:46,284 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 17 treesize of output 12 [2024-11-09 06:14:48,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:14:51,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:14:53,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:14:54,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:14:55,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 06:14:56,995 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 17 treesize of output 12 [2024-11-09 06:14:58,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:14:58,903 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 48 treesize of output 40 [2024-11-09 06:14:59,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 36 [2024-11-09 06:15:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:15:00,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:15:01,237 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_720 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_719 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_719))) (or (let ((.cse0 (store .cse2 c_~var_1_10_Pointer~0.base v_ArrVal_720))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset))))) (bvslt (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (bvor .cse1 .cse1)) .cse1))) (not (let ((.cse3 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset))))) (bvslt (bvadd (bvor .cse3 .cse3) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset)))) .cse3)))))) is different from false [2024-11-09 06:15:01,584 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:15:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395089980] [2024-11-09 06:15:01,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395089980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:15:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1187601681] [2024-11-09 06:15:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:01,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:15:01,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:15:01,586 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:15:01,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4fcec3-44b5-4d08-9c25-25794683e7cc/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 06:15:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:15:02,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 06:15:02,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:15:04,411 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 06:15:07,236 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 15 treesize of output 1 [2024-11-09 06:15:13,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2024-11-09 06:15:16,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2024-11-09 06:15:19,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2024-11-09 06:15:22,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 06:15:26,773 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 36 treesize of output 32 [2024-11-09 06:15:38,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2024-11-09 06:15:41,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57