./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.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_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/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_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/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_57355348-8e9a-49e5-87d1-af89981b5035/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 f77e8c9f93ca54d94eb905f2ce3291ad784a62b1b2b1f919a3731c7174a0c943 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:54,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:54,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:54,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:54,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:54,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:54,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:54,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:54,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:54,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:54,939 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:54,939 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:54,939 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:54,940 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:54,940 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:54,940 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:54,941 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:54,941 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:54,942 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:54,943 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:54,943 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:54,945 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:54,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:54,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:54,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:54,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:54,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:54,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:54,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:54,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:54,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:54,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:54,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:54,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:54,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:54,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:54,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:54,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:54,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:54,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:54,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:54,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:54,958 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:54,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:54,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:54,959 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:54,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:54,959 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_57355348-8e9a-49e5-87d1-af89981b5035/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77e8c9f93ca54d94eb905f2ce3291ad784a62b1b2b1f919a3731c7174a0c943 [2024-11-09 04:29:55,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:55,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:55,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:55,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:55,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:55,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i Unable to find full path for "g++" [2024-11-09 04:29:57,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:57,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:57,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i [2024-11-09 04:29:57,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data/b7c1e3dd7/d1c83664207f4ad2a7655b9ebb19a77b/FLAG145022335 [2024-11-09 04:29:57,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data/b7c1e3dd7/d1c83664207f4ad2a7655b9ebb19a77b [2024-11-09 04:29:57,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:57,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:57,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:57,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:57,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:57,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:57" (1/1) ... [2024-11-09 04:29:57,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499418d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:57, skipping insertion in model container [2024-11-09 04:29:57,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:57" (1/1) ... [2024-11-09 04:29:57,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:57,888 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_57355348-8e9a-49e5-87d1-af89981b5035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i[916,929] [2024-11-09 04:29:58,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:58,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:58,038 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_57355348-8e9a-49e5-87d1-af89981b5035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i[916,929] [2024-11-09 04:29:58,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:58,135 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:58,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58 WrapperNode [2024-11-09 04:29:58,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:58,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:58,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:58,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:58,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,248 INFO L138 Inliner]: procedures = 29, calls = 244, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 810 [2024-11-09 04:29:58,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:58,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:58,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:58,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:58,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:58,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:58,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:58,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:58,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (1/1) ... [2024-11-09 04:29:58,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:58,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:58,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:58,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:29:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:29:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:29:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:29:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:29:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:58,661 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:58,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:59,671 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:59,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:00,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:00,645 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:00,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:00 BoogieIcfgContainer [2024-11-09 04:30:00,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:00,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:00,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:00,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:00,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:57" (1/3) ... [2024-11-09 04:30:00,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ebeeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:00, skipping insertion in model container [2024-11-09 04:30:00,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:58" (2/3) ... [2024-11-09 04:30:00,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ebeeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:00, skipping insertion in model container [2024-11-09 04:30:00,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:00" (3/3) ... [2024-11-09 04:30:00,659 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-80.i [2024-11-09 04:30:00,679 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:00,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:00,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:00,790 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;@6f72a827, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:00,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 04:30:00,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:00,807 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:00,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:00,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:00,814 INFO L85 PathProgramCache]: Analyzing trace with hash 607229645, now seen corresponding path program 1 times [2024-11-09 04:30:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:30:00,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406504692] [2024-11-09 04:30:00,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:30:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:30:13,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302699407] [2024-11-09 04:30:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:13,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:30:13,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:13,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:30:13,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:30:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:14,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:30:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:17,165 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:30:17,168 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:30:17,169 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:30:17,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:30:17,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:30:17,381 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:30:17,573 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:30:17,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:30:17 BoogieIcfgContainer [2024-11-09 04:30:17,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:30:17,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:30:17,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:30:17,580 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:30:17,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:00" (3/4) ... [2024-11-09 04:30:17,584 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:30:17,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:30:17,587 INFO L158 Benchmark]: Toolchain (without parser) took 20033.02ms. Allocated memory was 130.0MB in the beginning and 817.9MB in the end (delta: 687.9MB). Free memory was 66.7MB in the beginning and 291.1MB in the end (delta: -224.5MB). Peak memory consumption was 466.5MB. Max. memory is 16.1GB. [2024-11-09 04:30:17,587 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:17,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.53ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 66.4MB in the beginning and 114.0MB in the end (delta: -47.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-09 04:30:17,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.52ms. Allocated memory is still 157.3MB. Free memory was 114.0MB in the beginning and 109.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:30:17,590 INFO L158 Benchmark]: Boogie Preprocessor took 95.48ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 105.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:30:17,591 INFO L158 Benchmark]: RCFGBuilder took 2301.08ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 105.6MB in the beginning and 74.6MB in the end (delta: 31.0MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2024-11-09 04:30:17,592 INFO L158 Benchmark]: TraceAbstraction took 16929.65ms. Allocated memory was 203.4MB in the beginning and 817.9MB in the end (delta: 614.5MB). Free memory was 73.6MB in the beginning and 292.2MB in the end (delta: -218.6MB). Peak memory consumption was 395.9MB. Max. memory is 16.1GB. [2024-11-09 04:30:17,592 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 817.9MB. Free memory is still 291.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:17,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.53ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 66.4MB in the beginning and 114.0MB in the end (delta: -47.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.52ms. Allocated memory is still 157.3MB. Free memory was 114.0MB in the beginning and 109.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.48ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 105.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2301.08ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 105.6MB in the beginning and 74.6MB in the end (delta: 31.0MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16929.65ms. Allocated memory was 203.4MB in the beginning and 817.9MB in the end (delta: 614.5MB). Free memory was 73.6MB in the beginning and 292.2MB in the end (delta: -218.6MB). Peak memory consumption was 395.9MB. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 817.9MB. Free memory is still 291.1MB. 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 70, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed long int var_1_8 = 128; [L25] signed long int* var_1_8_Pointer = &(var_1_8); [L26] signed short int var_1_9 = -1; [L27] signed short int* var_1_9_Pointer = &(var_1_9); [L28] signed short int var_1_10 = 1; [L29] signed short int* var_1_10_Pointer = &(var_1_10); [L30] signed char var_1_12 = 0; [L31] signed char* var_1_12_Pointer = &(var_1_12); [L32] unsigned char var_1_13 = 1; [L33] unsigned char* var_1_13_Pointer = &(var_1_13); [L34] signed char var_1_14 = 2; [L35] signed char* var_1_14_Pointer = &(var_1_14); [L36] double var_1_15 = 1.8; [L37] double* var_1_15_Pointer = &(var_1_15); [L38] double var_1_16 = 25.8; [L39] double* var_1_16_Pointer = &(var_1_16); [L40] double var_1_17 = 5.5; [L41] double* var_1_17_Pointer = &(var_1_17); [L42] double var_1_18 = 4.3; [L43] double* var_1_18_Pointer = &(var_1_18); [L44] double var_1_19 = 500.7; [L45] double* var_1_19_Pointer = &(var_1_19); [L46] double var_1_20 = 127.5; [L47] double* var_1_20_Pointer = &(var_1_20); [L48] double var_1_21 = 1.5; [L49] double* var_1_21_Pointer = &(var_1_21); [L50] double var_1_22 = 99.84; [L51] double* var_1_22_Pointer = &(var_1_22); [L52] unsigned short int var_1_23 = 4; [L53] unsigned short int* var_1_23_Pointer = &(var_1_23); [L54] signed char var_1_24 = -64; [L55] signed char* var_1_24_Pointer = &(var_1_24); [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] FCALL updateLastVariables() [L119] CALL updateVariables() [L79] var_1_8 = __VERIFIER_nondet_long() [L80] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L80] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L81] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L81] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L83] var_1_9 = __VERIFIER_nondet_short() [L84] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L84] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L86] var_1_10 = __VERIFIER_nondet_short() [L87] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L91] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L91] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L92] var_1_14 = __VERIFIER_nondet_char() [L93] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L94] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L94] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] EXPR \read(var_1_16) [L96] EXPR var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F [L96] EXPR \read(var_1_16) [L96] EXPR var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F [L96] EXPR (var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L96] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L97] var_1_17 = __VERIFIER_nondet_double() [L98] EXPR \read(var_1_17) [L98] EXPR var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F [L98] EXPR (var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F ) [L98] EXPR \read(var_1_17) [L98] EXPR var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F [L98] EXPR \read(var_1_17) [L98] EXPR var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F [L98] EXPR (var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L98] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L99] var_1_18 = __VERIFIER_nondet_double() [L100] EXPR \read(var_1_18) [L100] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F [L100] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) [L100] EXPR \read(var_1_18) [L100] EXPR var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F [L100] EXPR \read(var_1_18) [L100] EXPR var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F [L100] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L100] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L101] var_1_19 = __VERIFIER_nondet_double() [L102] EXPR \read(var_1_19) [L102] EXPR var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F [L102] EXPR \read(var_1_19) [L102] EXPR var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F [L102] EXPR (var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L102] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L103] var_1_20 = __VERIFIER_nondet_double() [L104] EXPR \read(var_1_20) [L104] EXPR var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F [L104] EXPR \read(var_1_20) [L104] EXPR var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F [L104] EXPR (var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L104] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L105] var_1_21 = __VERIFIER_nondet_double() [L106] EXPR \read(var_1_21) [L106] EXPR var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F [L106] EXPR \read(var_1_21) [L106] EXPR var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F [L106] EXPR (var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L106] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L119] RET updateVariables() [L120] CALL step() [L59] EXPR \read(*var_1_19_Pointer) [L59] (*(var_1_22_Pointer)) = (*(var_1_19_Pointer)) [L60] EXPR \read(*var_1_10_Pointer) [L60] (*(var_1_23_Pointer)) = (*(var_1_10_Pointer)) [L61] EXPR \read(*var_1_14_Pointer) [L61] (*(var_1_24_Pointer)) = (*(var_1_14_Pointer)) [L62] EXPR \read(*var_1_23_Pointer) [L62] EXPR \read(*var_1_24_Pointer) [L62] unsigned char stepLocal_0 = (*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)); [L63] EXPR \read(*var_1_13_Pointer) [L63] COND TRUE (*(var_1_13_Pointer)) || stepLocal_0 [L64] EXPR \read(*var_1_14_Pointer) [L64] EXPR ((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))) [L64] EXPR \read(*var_1_14_Pointer) [L64] EXPR ((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))) [L64] (*(var_1_12_Pointer)) = ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))) [L68] EXPR \read(*var_1_10_Pointer) [L68] signed short int stepLocal_1 = (*(var_1_10_Pointer)); [L69] EXPR \read(*var_1_23_Pointer) [L69] EXPR \read(*var_1_8_Pointer) [L69] COND FALSE !(stepLocal_1 <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) [L72] EXPR \read(*var_1_20_Pointer) [L72] EXPR \read(*var_1_21_Pointer) [L72] (*(var_1_15_Pointer)) = ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))) [L74] EXPR \read(*var_1_23_Pointer) [L74] EXPR \read(*var_1_23_Pointer) [L74] EXPR \read(*var_1_12_Pointer) [L74] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))) [L74] EXPR \read(*var_1_12_Pointer) [L74] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))) [L74] EXPR \read(*var_1_23_Pointer) [L74] EXPR \read(*var_1_23_Pointer) [L74] EXPR \read(*var_1_24_Pointer) [L74] EXPR \read(*var_1_8_Pointer) [L74] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer)))) [L74] EXPR \read(*var_1_24_Pointer) [L74] EXPR \read(*var_1_8_Pointer) [L74] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer)))) [L74] COND FALSE !(((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR \read(*var_1_23_Pointer) [L111] EXPR \read(*var_1_23_Pointer) [L111] EXPR \read(*var_1_12_Pointer) [L111] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))) [L111] EXPR \read(*var_1_12_Pointer) [L111] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))) [L111] EXPR \read(*var_1_23_Pointer) [L111] EXPR \read(*var_1_23_Pointer) [L111] EXPR \read(*var_1_24_Pointer) [L111] EXPR \read(*var_1_8_Pointer) [L111] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer)))) [L111] EXPR \read(*var_1_24_Pointer) [L111] EXPR \read(*var_1_8_Pointer) [L111] EXPR ((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer)))) [L111] EXPR (((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1 [L111] EXPR ((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer))))) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR (*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer))) [L111] EXPR \read(*var_1_23_Pointer) [L111] EXPR \read(*var_1_24_Pointer) [L111] EXPR (*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer))) [L111] EXPR ((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))) [L111] EXPR \read(*var_1_12_Pointer) [L111] EXPR \read(*var_1_14_Pointer) [L111] EXPR ((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))) [L111] EXPR \read(*var_1_14_Pointer) [L111] EXPR ((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))) [L111] EXPR ((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))) [L111] EXPR ((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer))))) [L111] EXPR (((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))))) && (((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer)))))) [L111] EXPR \read(*var_1_10_Pointer) [L111] EXPR \read(*var_1_23_Pointer) [L111] EXPR \read(*var_1_8_Pointer) [L111] EXPR ((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))))) [L111] EXPR \read(*var_1_15_Pointer) [L111] EXPR \read(*var_1_20_Pointer) [L111] EXPR \read(*var_1_21_Pointer) [L111] EXPR ((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))))) [L111] EXPR (((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))))) && (((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer)))))) [L111] EXPR ((((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))))) && (((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))))))) && ((*(var_1_22_Pointer)) == ((double) (*(var_1_19_Pointer)))) [L111] EXPR (((((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))))) && (((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))))))) && ((*(var_1_22_Pointer)) == ((double) (*(var_1_19_Pointer))))) && ((*(var_1_23_Pointer)) == ((unsigned short int) (*(var_1_10_Pointer)))) [L111] EXPR ((((((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))))) && (((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))))))) && ((*(var_1_22_Pointer)) == ((double) (*(var_1_19_Pointer))))) && ((*(var_1_23_Pointer)) == ((unsigned short int) (*(var_1_10_Pointer))))) && ((*(var_1_24_Pointer)) == ((signed char) (*(var_1_14_Pointer)))) [L111-L112] return ((((((((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) > ((*(var_1_12_Pointer)))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : ((*(var_1_12_Pointer))))) <= ((((((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) < (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))) ? (((*(var_1_23_Pointer)) - (*(var_1_23_Pointer)))) : (((*(var_1_24_Pointer)) % (*(var_1_8_Pointer))))))) ? ((*(var_1_1_Pointer)) == ((signed short int) ((((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) < ((*(var_1_12_Pointer)))) ? (((*(var_1_9_Pointer)) - (*(var_1_10_Pointer)))) : ((*(var_1_12_Pointer))))))) : 1) && (((*(var_1_13_Pointer)) || ((*(var_1_23_Pointer)) <= (*(var_1_24_Pointer)))) ? ((*(var_1_12_Pointer)) == ((signed char) ((((1 - (*(var_1_14_Pointer))) < 0 ) ? -(1 - (*(var_1_14_Pointer))) : (1 - (*(var_1_14_Pointer))))))) : ((*(var_1_12_Pointer)) == ((signed char) (*(var_1_14_Pointer)))))) && (((*(var_1_10_Pointer)) <= ((*(var_1_23_Pointer)) / (*(var_1_8_Pointer)))) ? ((*(var_1_15_Pointer)) == ((double) (((((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) < (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer))))))) ? ((((((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) > ((*(var_1_18_Pointer)))) ? ((((((*(var_1_16_Pointer))) < ((*(var_1_17_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_17_Pointer)))))) : ((*(var_1_18_Pointer)))))) : (((((3.6) > ((*(var_1_19_Pointer)))) ? (3.6) : ((*(var_1_19_Pointer)))))))))) : ((*(var_1_15_Pointer)) == ((double) ((*(var_1_20_Pointer)) - (*(var_1_21_Pointer))))))) && ((*(var_1_22_Pointer)) == ((double) (*(var_1_19_Pointer))))) && ((*(var_1_23_Pointer)) == ((unsigned short int) (*(var_1_10_Pointer))))) && ((*(var_1_24_Pointer)) == ((signed char) (*(var_1_14_Pointer)))) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_12={8:0}, var_1_12_Pointer={8:0}, var_1_13={9:0}, var_1_13_Pointer={9:0}, var_1_14={10:0}, var_1_14_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_23={19:0}, var_1_23_Pointer={19:0}, var_1_24={20:0}, var_1_24_Pointer={20:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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, 13.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:30:17,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/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_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/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_57355348-8e9a-49e5-87d1-af89981b5035/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 f77e8c9f93ca54d94eb905f2ce3291ad784a62b1b2b1f919a3731c7174a0c943 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:20,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:20,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:30:20,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:20,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:20,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:20,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:20,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:20,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:20,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:20,613 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:20,614 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:20,614 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:20,614 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:20,614 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:20,615 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:20,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:20,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:20,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:30:20,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:30:20,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:30:20,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:30:20,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:30:20,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:30:20,620 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:30:20,620 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:30:20,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:30:20,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:30:20,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:30:20,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:30:20,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:30:20,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:30:20,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:30:20,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:30:20,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:30:20,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:20,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:30:20,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:30:20,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:30:20,625 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:30:20,626 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:30:20,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:30:20,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:30:20,626 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_57355348-8e9a-49e5-87d1-af89981b5035/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77e8c9f93ca54d94eb905f2ce3291ad784a62b1b2b1f919a3731c7174a0c943 [2024-11-09 04:30:21,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:30:21,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:30:21,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:30:21,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:30:21,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:30:21,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i Unable to find full path for "g++" [2024-11-09 04:30:23,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:23,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:23,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i [2024-11-09 04:30:23,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data/185dc9137/c327bba887d94fb98c34a7ca16ab3588/FLAG1a3181215 [2024-11-09 04:30:23,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/data/185dc9137/c327bba887d94fb98c34a7ca16ab3588 [2024-11-09 04:30:23,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:23,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:23,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:23,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:23,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:23,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:23" (1/1) ... [2024-11-09 04:30:23,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dde405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:23, skipping insertion in model container [2024-11-09 04:30:23,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:23" (1/1) ... [2024-11-09 04:30:23,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:24,089 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_57355348-8e9a-49e5-87d1-af89981b5035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i[916,929] [2024-11-09 04:30:24,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:24,240 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:24,257 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_57355348-8e9a-49e5-87d1-af89981b5035/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i[916,929] [2024-11-09 04:30:24,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:24,357 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:24,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24 WrapperNode [2024-11-09 04:30:24,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:24,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:24,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:24,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:24,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,489 INFO L138 Inliner]: procedures = 36, calls = 244, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 806 [2024-11-09 04:30:24,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:24,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:24,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:24,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:24,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:24,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:24,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:24,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:24,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (1/1) ... [2024-11-09 04:30:24,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:24,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:24,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:24,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 04:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 04:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 04:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 04:30:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 04:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 04:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 04:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 04:30:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:30:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:30:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 04:30:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 04:30:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 04:30:24,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:24,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:30:27,144 INFO L? ?]: Removed 259 outVars from TransFormulas that were not future-live. [2024-11-09 04:30:27,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:27,164 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:27,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:27,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:27 BoogieIcfgContainer [2024-11-09 04:30:27,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:27,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:27,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:27,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:27,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:23" (1/3) ... [2024-11-09 04:30:27,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503ea81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:27, skipping insertion in model container [2024-11-09 04:30:27,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:24" (2/3) ... [2024-11-09 04:30:27,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503ea81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:27, skipping insertion in model container [2024-11-09 04:30:27,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:27" (3/3) ... [2024-11-09 04:30:27,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-80.i [2024-11-09 04:30:27,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:27,195 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:27,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:27,285 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;@738e1805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:27,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 134 states have (on average 1.455223880597015) internal successors, (195), 135 states have internal predecessors, (195), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 04:30:27,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:27,311 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:27,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:27,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:27,317 INFO L85 PathProgramCache]: Analyzing trace with hash -236521488, now seen corresponding path program 1 times [2024-11-09 04:30:27,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:27,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132815698] [2024-11-09 04:30:27,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:27,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:27,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:27,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:27,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:30:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:28,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:30:28,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-09 04:30:28,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:28,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132815698] [2024-11-09 04:30:28,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132815698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:28,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:28,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:30:28,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289420076] [2024-11-09 04:30:28,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:28,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:30:28,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:28,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:30:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:30:28,239 INFO L87 Difference]: Start difference. First operand has 154 states, 134 states have (on average 1.455223880597015) internal successors, (195), 135 states have internal predecessors, (195), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:28,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:28,284 INFO L93 Difference]: Finished difference Result 301 states and 469 transitions. [2024-11-09 04:30:28,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:30:28,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-09 04:30:28,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:28,301 INFO L225 Difference]: With dead ends: 301 [2024-11-09 04:30:28,302 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 04:30:28,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:30:28,313 INFO L432 NwaCegarLoop]: 222 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, 222 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:28,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:30:28,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 04:30:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-09 04:30:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 131 states have internal predecessors, (188), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 222 transitions. [2024-11-09 04:30:28,384 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 222 transitions. Word has length 153 [2024-11-09 04:30:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:28,384 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 222 transitions. [2024-11-09 04:30:28,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2024-11-09 04:30:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 04:30:28,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:28,393 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:28,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:30:28,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:28,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:28,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:28,596 INFO L85 PathProgramCache]: Analyzing trace with hash -20923046, now seen corresponding path program 1 times [2024-11-09 04:30:28,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:28,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001365457] [2024-11-09 04:30:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:28,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:28,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:28,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:28,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:30:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:29,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:30:29,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-09 04:30:29,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:29,503 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:29,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001365457] [2024-11-09 04:30:29,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001365457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:29,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:29,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:30:29,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599916471] [2024-11-09 04:30:29,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:29,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:30:29,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:29,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:30:29,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:29,512 INFO L87 Difference]: Start difference. First operand 150 states and 222 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:29,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:29,684 INFO L93 Difference]: Finished difference Result 299 states and 444 transitions. [2024-11-09 04:30:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:30:29,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-09 04:30:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:29,689 INFO L225 Difference]: With dead ends: 299 [2024-11-09 04:30:29,689 INFO L226 Difference]: Without dead ends: 152 [2024-11-09 04:30:29,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:29,692 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:29,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 649 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:30:29,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-09 04:30:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-09 04:30:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 133 states have (on average 1.4285714285714286) internal successors, (190), 133 states have internal predecessors, (190), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 224 transitions. [2024-11-09 04:30:29,715 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 224 transitions. Word has length 153 [2024-11-09 04:30:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:29,717 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 224 transitions. [2024-11-09 04:30:29,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 224 transitions. [2024-11-09 04:30:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 04:30:29,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:29,721 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:29,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:30:29,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:29,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:29,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1587680996, now seen corresponding path program 1 times [2024-11-09 04:30:29,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:29,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876058721] [2024-11-09 04:30:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:29,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:29,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:29,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 04:30:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:30,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:30:30,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:30:30,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:30,909 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:30,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876058721] [2024-11-09 04:30:30,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876058721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:30,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:30,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:30:30,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671386645] [2024-11-09 04:30:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:30,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:30:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:30,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:30:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:30,913 INFO L87 Difference]: Start difference. First operand 152 states and 224 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:30,967 INFO L93 Difference]: Finished difference Result 303 states and 448 transitions. [2024-11-09 04:30:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:30:30,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 153 [2024-11-09 04:30:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:30,971 INFO L225 Difference]: With dead ends: 303 [2024-11-09 04:30:30,971 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 04:30:30,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:30:30,973 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:30,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 649 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:30:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 04:30:30,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-09 04:30:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.4222222222222223) internal successors, (192), 135 states have internal predecessors, (192), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 226 transitions. [2024-11-09 04:30:30,993 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 226 transitions. Word has length 153 [2024-11-09 04:30:30,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:30,994 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 226 transitions. [2024-11-09 04:30:30,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 226 transitions. [2024-11-09 04:30:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:30:30,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:30,998 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:31,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:30:31,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:31,199 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:31,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash -855052425, now seen corresponding path program 1 times [2024-11-09 04:30:31,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:31,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250441790] [2024-11-09 04:30:31,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:31,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:31,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:31,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:31,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 04:30:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:32,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:30:32,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:30:32,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:32,148 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:32,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250441790] [2024-11-09 04:30:32,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250441790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:32,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:32,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:30:32,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095426050] [2024-11-09 04:30:32,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:32,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:30:32,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:32,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:30:32,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:30:32,152 INFO L87 Difference]: Start difference. First operand 154 states and 226 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:32,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:32,256 INFO L93 Difference]: Finished difference Result 310 states and 456 transitions. [2024-11-09 04:30:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:30:32,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-09 04:30:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:32,262 INFO L225 Difference]: With dead ends: 310 [2024-11-09 04:30:32,263 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 04:30:32,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:30:32,268 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:32,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 852 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:30:32,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 04:30:32,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2024-11-09 04:30:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.410071942446043) internal successors, (196), 139 states have internal predecessors, (196), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 230 transitions. [2024-11-09 04:30:32,289 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 230 transitions. Word has length 155 [2024-11-09 04:30:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:32,290 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 230 transitions. [2024-11-09 04:30:32,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2024-11-09 04:30:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:30:32,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:32,294 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:32,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 04:30:32,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:32,495 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:32,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash -174994055, now seen corresponding path program 1 times [2024-11-09 04:30:32,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:32,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566665379] [2024-11-09 04:30:32,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:32,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:32,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:32,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:32,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 04:30:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:33,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:30:33,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:30:33,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:33,573 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566665379] [2024-11-09 04:30:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566665379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:33,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:33,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:30:33,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931655898] [2024-11-09 04:30:33,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:33,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:30:33,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:33,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:30:33,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:30:33,578 INFO L87 Difference]: Start difference. First operand 158 states and 230 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:33,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:33,714 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-09 04:30:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:30:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-09 04:30:33,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:33,716 INFO L225 Difference]: With dead ends: 316 [2024-11-09 04:30:33,717 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 04:30:33,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:30:33,718 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:33,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1055 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:30:33,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 04:30:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 160. [2024-11-09 04:30:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 141 states have (on average 1.4042553191489362) internal successors, (198), 141 states have internal predecessors, (198), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 232 transitions. [2024-11-09 04:30:33,729 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 232 transitions. Word has length 155 [2024-11-09 04:30:33,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:33,730 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 232 transitions. [2024-11-09 04:30:33,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 232 transitions. [2024-11-09 04:30:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:30:33,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:33,732 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:33,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:30:33,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:33,933 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:33,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1600013307, now seen corresponding path program 1 times [2024-11-09 04:30:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:33,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641876405] [2024-11-09 04:30:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:33,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:33,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:33,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 04:30:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:34,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:30:34,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:30:34,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:34,856 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:34,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641876405] [2024-11-09 04:30:34,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641876405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:34,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:34,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:30:34,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079067047] [2024-11-09 04:30:34,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:34,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:30:34,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:34,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:30:34,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:30:34,860 INFO L87 Difference]: Start difference. First operand 160 states and 232 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:35,014 INFO L93 Difference]: Finished difference Result 320 states and 465 transitions. [2024-11-09 04:30:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:30:35,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-09 04:30:35,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:35,017 INFO L225 Difference]: With dead ends: 320 [2024-11-09 04:30:35,017 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 04:30:35,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:30:35,019 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:35,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1259 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:30:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 04:30:35,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 162. [2024-11-09 04:30:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 143 states have (on average 1.3986013986013985) internal successors, (200), 143 states have internal predecessors, (200), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:35,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2024-11-09 04:30:35,029 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 234 transitions. Word has length 155 [2024-11-09 04:30:35,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:35,029 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 234 transitions. [2024-11-09 04:30:35,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:30:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2024-11-09 04:30:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:30:35,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:35,032 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:35,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 04:30:35,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:35,233 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:35,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:35,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1601860349, now seen corresponding path program 1 times [2024-11-09 04:30:35,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:35,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111536458] [2024-11-09 04:30:35,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:35,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:35,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:35,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:35,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 04:30:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:35,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:30:35,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:36,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:30:36,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-09 04:30:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-09 04:30:36,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:36,575 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:36,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111536458] [2024-11-09 04:30:36,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111536458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:36,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:36,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:30:36,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791658811] [2024-11-09 04:30:36,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:36,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:30:36,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:36,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:30:36,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:30:36,580 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:39,481 INFO L93 Difference]: Finished difference Result 322 states and 466 transitions. [2024-11-09 04:30:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:30:39,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-09 04:30:39,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:39,484 INFO L225 Difference]: With dead ends: 322 [2024-11-09 04:30:39,484 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 04:30:39,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:30:39,486 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 156 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:39,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 616 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 04:30:39,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 04:30:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 162. [2024-11-09 04:30:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 143 states have (on average 1.3916083916083917) internal successors, (199), 143 states have internal predecessors, (199), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 233 transitions. [2024-11-09 04:30:39,505 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 233 transitions. Word has length 155 [2024-11-09 04:30:39,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:39,505 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 233 transitions. [2024-11-09 04:30:39,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 233 transitions. [2024-11-09 04:30:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:30:39,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:39,513 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:39,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 04:30:39,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:39,714 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:39,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:39,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1594559657, now seen corresponding path program 1 times [2024-11-09 04:30:39,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:39,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060411338] [2024-11-09 04:30:39,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:39,716 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:39,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:39,720 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:39,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 04:30:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:40,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:30:40,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:41,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:30:41,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-09 04:30:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 04:30:41,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:41,214 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:41,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060411338] [2024-11-09 04:30:41,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060411338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:41,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:41,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:30:41,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900520027] [2024-11-09 04:30:41,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:41,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:30:41,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:41,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:30:41,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:30:41,218 INFO L87 Difference]: Start difference. First operand 162 states and 233 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:30:44,272 INFO L93 Difference]: Finished difference Result 322 states and 464 transitions. [2024-11-09 04:30:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:30:44,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 157 [2024-11-09 04:30:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:30:44,276 INFO L225 Difference]: With dead ends: 322 [2024-11-09 04:30:44,276 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 04:30:44,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:30:44,277 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 148 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:30:44,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 609 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 04:30:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 04:30:44,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 162. [2024-11-09 04:30:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 143 states have (on average 1.3846153846153846) internal successors, (198), 143 states have internal predecessors, (198), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:30:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 232 transitions. [2024-11-09 04:30:44,292 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 232 transitions. Word has length 157 [2024-11-09 04:30:44,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:30:44,293 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 232 transitions. [2024-11-09 04:30:44,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 04:30:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2024-11-09 04:30:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:30:44,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:44,299 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:44,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 04:30:44,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:44,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:44,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:44,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1946558275, now seen corresponding path program 1 times [2024-11-09 04:30:44,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:30:44,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647177560] [2024-11-09 04:30:44,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:44,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:30:44,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:30:44,503 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:30:44,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-09 04:30:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:45,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:30:45,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:47,074 INFO L349 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2024-11-09 04:30:47,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 50 [2024-11-09 04:30:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:30:47,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:30:47,091 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:30:47,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647177560] [2024-11-09 04:30:47,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647177560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:30:47,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:30:47,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:30:47,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051794717] [2024-11-09 04:30:47,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:30:47,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:30:47,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:30:47,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:30:47,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:30:47,094 INFO L87 Difference]: Start difference. First operand 162 states and 232 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:31:03,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:03,426 INFO L93 Difference]: Finished difference Result 387 states and 554 transitions. [2024-11-09 04:31:03,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:31:03,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:31:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:03,435 INFO L225 Difference]: With dead ends: 387 [2024-11-09 04:31:03,435 INFO L226 Difference]: Without dead ends: 228 [2024-11-09 04:31:03,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:31:03,437 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 75 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:03,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 580 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2024-11-09 04:31:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-09 04:31:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 169. [2024-11-09 04:31:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 150 states have (on average 1.3866666666666667) internal successors, (208), 150 states have internal predecessors, (208), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:31:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 242 transitions. [2024-11-09 04:31:03,449 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 242 transitions. Word has length 159 [2024-11-09 04:31:03,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:03,449 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 242 transitions. [2024-11-09 04:31:03,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:31:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2024-11-09 04:31:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:31:03,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:03,453 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:03,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-09 04:31:03,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:03,654 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:03,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:03,655 INFO L85 PathProgramCache]: Analyzing trace with hash 354264315, now seen corresponding path program 1 times [2024-11-09 04:31:03,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:03,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071237151] [2024-11-09 04:31:03,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:03,660 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:31:03,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 04:31:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:04,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:31:04,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:06,358 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:31:06,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 69 [2024-11-09 04:31:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:31:07,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:07,272 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:07,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071237151] [2024-11-09 04:31:07,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071237151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:07,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:07,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:31:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513864541] [2024-11-09 04:31:07,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:07,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:31:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:31:07,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:31:07,275 INFO L87 Difference]: Start difference. First operand 169 states and 242 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:31:25,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:25,509 INFO L93 Difference]: Finished difference Result 394 states and 563 transitions. [2024-11-09 04:31:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:31:25,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:31:25,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:25,517 INFO L225 Difference]: With dead ends: 394 [2024-11-09 04:31:25,518 INFO L226 Difference]: Without dead ends: 228 [2024-11-09 04:31:25,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:31:25,519 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 73 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:25,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 753 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 17.3s Time] [2024-11-09 04:31:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-09 04:31:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 170. [2024-11-09 04:31:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 151 states have (on average 1.3841059602649006) internal successors, (209), 151 states have internal predecessors, (209), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:31:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 243 transitions. [2024-11-09 04:31:25,529 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 243 transitions. Word has length 159 [2024-11-09 04:31:25,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:25,530 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 243 transitions. [2024-11-09 04:31:25,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:31:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 243 transitions. [2024-11-09 04:31:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:31:25,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:25,533 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:25,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-09 04:31:25,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:25,734 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:25,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1530760571, now seen corresponding path program 1 times [2024-11-09 04:31:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:25,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550011943] [2024-11-09 04:31:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:25,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:25,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:25,738 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:31:25,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 04:31:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:26,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:31:26,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:30,674 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2024-11-09 04:31:30,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 58 [2024-11-09 04:31:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:31:30,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:30,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:30,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550011943] [2024-11-09 04:31:30,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550011943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:30,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:30,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:31:30,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094901180] [2024-11-09 04:31:30,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:30,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:31:30,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:30,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:31:30,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:31:30,694 INFO L87 Difference]: Start difference. First operand 170 states and 243 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:31:53,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:53,858 INFO L93 Difference]: Finished difference Result 395 states and 563 transitions. [2024-11-09 04:31:53,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:31:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:31:53,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:53,864 INFO L225 Difference]: With dead ends: 395 [2024-11-09 04:31:53,864 INFO L226 Difference]: Without dead ends: 228 [2024-11-09 04:31:53,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:31:53,865 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 72 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:53,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 789 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2024-11-09 04:31:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-09 04:31:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 172. [2024-11-09 04:31:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 153 states have internal predecessors, (211), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:31:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 245 transitions. [2024-11-09 04:31:53,875 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 245 transitions. Word has length 159 [2024-11-09 04:31:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:53,876 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 245 transitions. [2024-11-09 04:31:53,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:31:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 245 transitions. [2024-11-09 04:31:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:31:53,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:53,879 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:53,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-09 04:31:54,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:54,079 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:54,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash -463384135, now seen corresponding path program 1 times [2024-11-09 04:31:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731924225] [2024-11-09 04:31:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:54,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:31:54,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:54,082 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:31:54,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-09 04:31:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:55,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:31:55,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:31:57,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:57,541 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:57,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731924225] [2024-11-09 04:31:57,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731924225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:57,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:57,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:31:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535068743] [2024-11-09 04:31:57,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:57,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:31:57,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:57,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:31:57,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:31:57,545 INFO L87 Difference]: Start difference. First operand 172 states and 245 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:07,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:11,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:11,595 INFO L93 Difference]: Finished difference Result 388 states and 552 transitions. [2024-11-09 04:32:11,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:32:11,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:32:11,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:11,606 INFO L225 Difference]: With dead ends: 388 [2024-11-09 04:32:11,606 INFO L226 Difference]: Without dead ends: 219 [2024-11-09 04:32:11,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:32:11,607 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 63 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:11,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 650 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-09 04:32:11,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-09 04:32:11,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 170. [2024-11-09 04:32:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 151 states have internal predecessors, (208), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:32:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-09 04:32:11,617 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 159 [2024-11-09 04:32:11,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:11,618 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-09 04:32:11,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-09 04:32:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:32:11,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:11,621 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:32:11,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-09 04:32:11,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:32:11,821 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:11,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:11,822 INFO L85 PathProgramCache]: Analyzing trace with hash -141119941, now seen corresponding path program 1 times [2024-11-09 04:32:11,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:32:11,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76798457] [2024-11-09 04:32:11,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:11,823 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:32:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:32:11,824 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:32:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-09 04:32:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:12,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 04:32:12,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:32:12,807 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:32:12,807 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:32:12,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76798457] [2024-11-09 04:32:12,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76798457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:12,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:12,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:32:12,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428458082] [2024-11-09 04:32:12,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:12,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:32:12,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:32:12,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:32:12,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:32:12,810 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:16,116 INFO L93 Difference]: Finished difference Result 338 states and 483 transitions. [2024-11-09 04:32:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:32:16,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:32:16,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:16,119 INFO L225 Difference]: With dead ends: 338 [2024-11-09 04:32:16,119 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 04:32:16,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:32:16,120 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:16,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 423 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 04:32:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 04:32:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-09 04:32:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 152 states have (on average 1.375) internal successors, (209), 152 states have internal predecessors, (209), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:32:16,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 243 transitions. [2024-11-09 04:32:16,130 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 243 transitions. Word has length 159 [2024-11-09 04:32:16,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:16,131 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 243 transitions. [2024-11-09 04:32:16,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 243 transitions. [2024-11-09 04:32:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:32:16,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:16,133 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:32:16,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-09 04:32:16,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:32:16,334 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:16,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:16,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1806009665, now seen corresponding path program 1 times [2024-11-09 04:32:16,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:32:16,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876804553] [2024-11-09 04:32:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:16,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:32:16,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:32:16,336 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:32:16,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-09 04:32:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:17,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 04:32:17,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:32:18,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:32:18,750 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:32:18,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876804553] [2024-11-09 04:32:18,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876804553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:18,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:18,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:32:18,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466549380] [2024-11-09 04:32:18,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:18,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:32:18,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:32:18,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:32:18,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:32:18,753 INFO L87 Difference]: Start difference. First operand 171 states and 243 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:24,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:34,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:32:36,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:36,247 INFO L93 Difference]: Finished difference Result 399 states and 566 transitions. [2024-11-09 04:32:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:32:36,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:32:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:36,254 INFO L225 Difference]: With dead ends: 399 [2024-11-09 04:32:36,254 INFO L226 Difference]: Without dead ends: 231 [2024-11-09 04:32:36,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:32:36,256 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 72 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:36,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 678 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2024-11-09 04:32:36,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-09 04:32:36,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 174. [2024-11-09 04:32:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:32:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 247 transitions. [2024-11-09 04:32:36,268 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 247 transitions. Word has length 159 [2024-11-09 04:32:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:36,269 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 247 transitions. [2024-11-09 04:32:36,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 247 transitions. [2024-11-09 04:32:36,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:32:36,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:36,271 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:32:36,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-09 04:32:36,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:32:36,472 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:36,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:36,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1671309181, now seen corresponding path program 1 times [2024-11-09 04:32:36,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:32:36,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296260889] [2024-11-09 04:32:36,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:36,473 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:32:36,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:32:36,475 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:32:36,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-09 04:32:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:37,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 04:32:37,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:32:40,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:32:40,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:32:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296260889] [2024-11-09 04:32:40,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296260889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:40,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:40,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:32:40,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769101999] [2024-11-09 04:32:40,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:40,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:32:40,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:32:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:32:40,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:32:40,661 INFO L87 Difference]: Start difference. First operand 174 states and 247 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:32:42,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:32:55,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:33:06,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:06,868 INFO L93 Difference]: Finished difference Result 402 states and 569 transitions. [2024-11-09 04:33:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:33:06,873 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:33:06,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:06,875 INFO L225 Difference]: With dead ends: 402 [2024-11-09 04:33:06,875 INFO L226 Difference]: Without dead ends: 231 [2024-11-09 04:33:06,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:33:06,877 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 72 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:06,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 790 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 787 Invalid, 1 Unknown, 0 Unchecked, 24.6s Time] [2024-11-09 04:33:06,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-09 04:33:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 176. [2024-11-09 04:33:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 157 states have (on average 1.3694267515923566) internal successors, (215), 157 states have internal predecessors, (215), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:33:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 249 transitions. [2024-11-09 04:33:06,887 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 249 transitions. Word has length 159 [2024-11-09 04:33:06,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:06,888 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 249 transitions. [2024-11-09 04:33:06,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:33:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 249 transitions. [2024-11-09 04:33:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:33:06,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:06,890 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:33:06,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-09 04:33:07,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:07,093 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:07,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:07,093 INFO L85 PathProgramCache]: Analyzing trace with hash -322835525, now seen corresponding path program 1 times [2024-11-09 04:33:07,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:07,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401050230] [2024-11-09 04:33:07,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:07,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:07,097 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:33:07,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-09 04:33:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:08,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 04:33:08,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:11,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:33:11,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 123 [2024-11-09 04:33:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:33:14,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:33:14,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:14,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401050230] [2024-11-09 04:33:14,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401050230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:33:14,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:33:14,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 04:33:14,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922327665] [2024-11-09 04:33:14,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:14,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 04:33:14,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:14,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 04:33:14,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:33:14,159 INFO L87 Difference]: Start difference. First operand 176 states and 249 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:33:30,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:33:46,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:46,539 INFO L93 Difference]: Finished difference Result 398 states and 562 transitions. [2024-11-09 04:33:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:33:46,544 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:33:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:46,545 INFO L225 Difference]: With dead ends: 398 [2024-11-09 04:33:46,545 INFO L226 Difference]: Without dead ends: 225 [2024-11-09 04:33:46,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:33:46,546 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 66 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:46,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 963 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 686 Invalid, 1 Unknown, 0 Unchecked, 30.0s Time] [2024-11-09 04:33:46,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-09 04:33:46,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 174. [2024-11-09 04:33:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:33:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 247 transitions. [2024-11-09 04:33:46,555 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 247 transitions. Word has length 159 [2024-11-09 04:33:46,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:46,556 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 247 transitions. [2024-11-09 04:33:46,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:33:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 247 transitions. [2024-11-09 04:33:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:33:46,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:46,558 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:33:46,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-09 04:33:46,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:46,758 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:46,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:46,759 INFO L85 PathProgramCache]: Analyzing trace with hash -571331, now seen corresponding path program 1 times [2024-11-09 04:33:46,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:46,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111335401] [2024-11-09 04:33:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:46,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:46,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:46,763 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:33:46,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-09 04:33:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:47,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:33:47,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:47,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:33:47,860 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 50 treesize of output 38 [2024-11-09 04:33:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:33:47,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:33:47,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:47,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111335401] [2024-11-09 04:33:47,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111335401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:33:47,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:33:47,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:33:47,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419323521] [2024-11-09 04:33:47,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:47,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:33:47,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:47,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:33:47,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:33:47,988 INFO L87 Difference]: Start difference. First operand 174 states and 247 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:33:55,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:55,185 INFO L93 Difference]: Finished difference Result 404 states and 572 transitions. [2024-11-09 04:33:55,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:33:55,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:33:55,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:55,189 INFO L225 Difference]: With dead ends: 404 [2024-11-09 04:33:55,189 INFO L226 Difference]: Without dead ends: 233 [2024-11-09 04:33:55,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:33:55,191 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 70 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:55,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 910 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-09 04:33:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-09 04:33:55,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 176. [2024-11-09 04:33:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 157 states have (on average 1.3694267515923566) internal successors, (215), 157 states have internal predecessors, (215), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:33:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 249 transitions. [2024-11-09 04:33:55,205 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 249 transitions. Word has length 159 [2024-11-09 04:33:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:55,209 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 249 transitions. [2024-11-09 04:33:55,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:33:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 249 transitions. [2024-11-09 04:33:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:33:55,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:55,211 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:33:55,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-09 04:33:55,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:55,411 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:55,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash -818219781, now seen corresponding path program 1 times [2024-11-09 04:33:55,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:55,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211768843] [2024-11-09 04:33:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:55,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:55,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:55,417 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:33:55,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-09 04:33:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:56,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 04:33:56,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:33:56,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:33:56,407 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 53 treesize of output 41 [2024-11-09 04:33:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:33:56,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:33:56,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:56,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211768843] [2024-11-09 04:33:56,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211768843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:33:56,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:33:56,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:33:56,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104977155] [2024-11-09 04:33:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:56,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:33:56,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:56,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:33:56,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:33:56,503 INFO L87 Difference]: Start difference. First operand 176 states and 249 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:34:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:03,569 INFO L93 Difference]: Finished difference Result 407 states and 575 transitions. [2024-11-09 04:34:03,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:34:03,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:34:03,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:03,573 INFO L225 Difference]: With dead ends: 407 [2024-11-09 04:34:03,573 INFO L226 Difference]: Without dead ends: 234 [2024-11-09 04:34:03,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:34:03,574 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 72 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:03,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 905 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-09 04:34:03,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-09 04:34:03,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 178. [2024-11-09 04:34:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 159 states have (on average 1.371069182389937) internal successors, (218), 159 states have internal predecessors, (218), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:34:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 252 transitions. [2024-11-09 04:34:03,584 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 252 transitions. Word has length 159 [2024-11-09 04:34:03,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:03,585 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 252 transitions. [2024-11-09 04:34:03,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:34:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 252 transitions. [2024-11-09 04:34:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:34:03,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:03,587 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:03,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-11-09 04:34:03,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:34:03,788 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:03,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:03,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1482602809, now seen corresponding path program 1 times [2024-11-09 04:34:03,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:34:03,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556597898] [2024-11-09 04:34:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:03,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:34:03,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:34:03,791 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:34:03,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-09 04:34:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:04,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:34:04,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:34:07,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:34:07,799 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:34:07,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556597898] [2024-11-09 04:34:07,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556597898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:07,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:34:07,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 04:34:07,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133171207] [2024-11-09 04:34:07,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:07,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 04:34:07,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:34:07,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 04:34:07,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:34:07,802 INFO L87 Difference]: Start difference. First operand 178 states and 252 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:34:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:27,886 INFO L93 Difference]: Finished difference Result 402 states and 567 transitions. [2024-11-09 04:34:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:34:27,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-09 04:34:27,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:27,897 INFO L225 Difference]: With dead ends: 402 [2024-11-09 04:34:27,897 INFO L226 Difference]: Without dead ends: 227 [2024-11-09 04:34:27,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:34:27,899 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 64 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:27,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 865 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2024-11-09 04:34:27,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-09 04:34:27,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 178. [2024-11-09 04:34:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 159 states have (on average 1.3647798742138364) internal successors, (217), 159 states have internal predecessors, (217), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:34:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 251 transitions. [2024-11-09 04:34:27,908 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 251 transitions. Word has length 159 [2024-11-09 04:34:27,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:27,909 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 251 transitions. [2024-11-09 04:34:27,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:34:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 251 transitions. [2024-11-09 04:34:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:34:27,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:27,915 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:27,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-09 04:34:28,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:34:28,115 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:28,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash 917647763, now seen corresponding path program 1 times [2024-11-09 04:34:28,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:34:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035691705] [2024-11-09 04:34:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:28,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:34:28,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:34:28,118 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:34:28,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-09 04:34:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:28,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:34:28,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:34:28,968 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:34:28,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:34:28,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035691705] [2024-11-09 04:34:28,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035691705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:28,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:34:28,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:34:28,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944106108] [2024-11-09 04:34:28,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:28,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:34:28,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:34:28,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:34:28,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:34:28,972 INFO L87 Difference]: Start difference. First operand 178 states and 251 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:34:29,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:29,025 INFO L93 Difference]: Finished difference Result 354 states and 501 transitions. [2024-11-09 04:34:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:34:29,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 160 [2024-11-09 04:34:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:29,029 INFO L225 Difference]: With dead ends: 354 [2024-11-09 04:34:29,029 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 04:34:29,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:34:29,030 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:29,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 431 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:34:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 04:34:29,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 04:34:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.3625) internal successors, (218), 160 states have internal predecessors, (218), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:34:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 252 transitions. [2024-11-09 04:34:29,040 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 252 transitions. Word has length 160 [2024-11-09 04:34:29,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:29,041 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 252 transitions. [2024-11-09 04:34:29,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:34:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 252 transitions. [2024-11-09 04:34:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:34:29,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:29,043 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:29,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-09 04:34:29,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:34:29,244 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:29,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash -362215915, now seen corresponding path program 1 times [2024-11-09 04:34:29,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:34:29,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303777020] [2024-11-09 04:34:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:29,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:34:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:34:29,251 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:34:29,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Waiting until timeout for monitored process [2024-11-09 04:34:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:30,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-09 04:34:30,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:38,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:34:42,343 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 04:34:44,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:34:47,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:34:49,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:34:51,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:34:52,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:34:53,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:34:55,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:34:56,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2024-11-09 04:34:56,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:34:56,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:34:57,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-09 04:34:57,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 79 [2024-11-09 04:34:58,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 46 [2024-11-09 04:34:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 2 proven. 498 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 04:34:58,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:34:59,397 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_856 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse1 (store |c_#memory_int| c_~var_1_15_Pointer~0.base v_ArrVal_856))) (bvsgt (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse0) .cse0)) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))))))) is different from false [2024-11-09 04:35:12,670 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_850 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_12_Pointer~0.offset (_ BitVec 32)) (~var_1_24_Pointer~0.offset (_ BitVec 32)) (~var_1_23_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_856 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (let ((.cse5 (store |c_#memory_int| c_~var_1_22_Pointer~0.base v_ArrVal_850))) (store .cse5 c_~var_1_23_Pointer~0.base (store (select .cse5 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse5 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset)))))))) (let ((.cse3 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse4 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) (let ((.cse2 (store .cse4 c_~var_1_24_Pointer~0.base (store (select .cse4 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset .cse3)))) (or (not (let ((.cse1 (store (store .cse2 c_~var_1_12_Pointer~0.base (store (select .cse2 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) c_~var_1_15_Pointer~0.base v_ArrVal_856))) (bvsgt (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd .cse0 (bvneg .cse0))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset)))))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) .cse3)))))))) is different from false [2024-11-09 04:35:13,228 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:35:13,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303777020] [2024-11-09 04:35:13,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303777020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:35:13,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1144630237] [2024-11-09 04:35:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:35:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:35:13,231 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:35:13,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 04:35:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:17,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:35:17,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:21,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-09 04:35:21,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-09 04:35:22,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-09 04:35:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:35:23,161 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:35:23,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1144630237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:35:23,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:35:23,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [23] total 29 [2024-11-09 04:35:23,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747493199] [2024-11-09 04:35:23,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:35:23,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:35:23,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:35:23,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:35:23,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=929, Unknown=2, NotChecked=126, Total=1190 [2024-11-09 04:35:23,164 INFO L87 Difference]: Start difference. First operand 179 states and 252 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:35:29,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:35:29,806 INFO L93 Difference]: Finished difference Result 449 states and 630 transitions. [2024-11-09 04:35:29,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:35:29,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 160 [2024-11-09 04:35:29,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:35:29,808 INFO L225 Difference]: With dead ends: 449 [2024-11-09 04:35:29,808 INFO L226 Difference]: Without dead ends: 273 [2024-11-09 04:35:29,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 20.8s TimeCoverageRelationStatistics Valid=151, Invalid=1115, Unknown=2, NotChecked=138, Total=1406 [2024-11-09 04:35:29,809 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 333 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:35:29,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 667 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 04:35:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-09 04:35:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 225. [2024-11-09 04:35:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 206 states have (on average 1.3689320388349515) internal successors, (282), 206 states have internal predecessors, (282), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:35:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 316 transitions. [2024-11-09 04:35:29,822 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 316 transitions. Word has length 160 [2024-11-09 04:35:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:35:29,823 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 316 transitions. [2024-11-09 04:35:29,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:35:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 316 transitions. [2024-11-09 04:35:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 04:35:29,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:35:29,825 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:35:29,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 04:35:30,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 04:35:30,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:30,226 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:35:30,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:35:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1261381666, now seen corresponding path program 1 times [2024-11-09 04:35:30,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:35:30,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919140739] [2024-11-09 04:35:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:30,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:35:30,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:35:30,231 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:35:30,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-09 04:35:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:31,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-09 04:35:31,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:35:38,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:35:41,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:35:45,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:35:47,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:35:51,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:35:53,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:35:55,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:35:56,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:35:58,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:35:59,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:36:01,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2024-11-09 04:36:01,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:36:01,787 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 49 treesize of output 46 [2024-11-09 04:36:02,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 53 [2024-11-09 04:36:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 2 proven. 522 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:36:03,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:36:06,263 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_957 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse1 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_957))) (bvslt (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse0) .cse0)) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_24_Pointer~0.base) c_~var_1_24_Pointer~0.offset))) (select (select .cse1 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset)))))) is different from false [2024-11-09 04:36:28,878 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_956 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_957 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_24_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store |c_#memory_int| c_~var_1_15_Pointer~0.base v_ArrVal_956))) (let ((.cse0 (let ((.cse4 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse4) .cse4)))) (or (not (bvsgt .cse0 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))))) (bvslt .cse0 (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) (select (select .cse1 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (not (let ((.cse3 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_957))) (bvslt (let ((.cse2 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd .cse2 (bvneg .cse2))) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) (select (select .cse3 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))))))) is different from false [2024-11-09 04:36:32,024 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_12_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_956 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_957 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_24_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store (store |c_#memory_int| c_~var_1_12_Pointer~0.base (store (select |c_#memory_int| c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) c_~var_1_15_Pointer~0.base v_ArrVal_956))) (let ((.cse0 (let ((.cse4 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd .cse4 (bvneg .cse4))))) (or (bvslt .cse0 (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) (select (select .cse1 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (not (bvsgt .cse0 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset))))) (not (let ((.cse3 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_957))) (bvslt (let ((.cse2 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd .cse2 (bvneg .cse2))) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) (select (select .cse3 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))))))) is different from false [2024-11-09 04:36:34,583 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_951 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_12_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_956 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_957 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_24_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_23_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (store (let ((.cse5 (store (let ((.cse6 (store |c_#memory_int| c_~var_1_22_Pointer~0.base v_ArrVal_953))) (store .cse6 c_~var_1_23_Pointer~0.base (store (select .cse6 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse6 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset)))))) c_~var_1_24_Pointer~0.base v_ArrVal_951))) (store .cse5 c_~var_1_12_Pointer~0.base (store (select .cse5 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset)))))) c_~var_1_15_Pointer~0.base v_ArrVal_956))) (let ((.cse3 (let ((.cse4 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse4) .cse4)))) (or (not (let ((.cse1 (store .cse2 c_~var_1_1_Pointer~0.base v_ArrVal_957))) (bvslt (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd .cse0 (bvneg .cse0))) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) (select (select .cse1 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))) (not (bvsgt .cse3 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset))))) (bvslt .cse3 (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) (select (select .cse2 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))))))) is different from false [2024-11-09 04:36:39,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:36:39,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919140739] [2024-11-09 04:36:39,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919140739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:36:39,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1340956511] [2024-11-09 04:36:39,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:36:39,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:36:39,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:36:39,631 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:36:39,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 04:36:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:36:43,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 04:36:43,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:56,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 04:37:06,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:11,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:16,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:19,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:23,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:26,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:29,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:33,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2024-11-09 04:37:36,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2024-11-09 04:37:36,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:37:36,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:37:37,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2024-11-09 04:37:39,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 71 [2024-11-09 04:37:44,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 76 [2024-11-09 04:37:49,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 45 [2024-11-09 04:37:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 1 proven. 495 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 04:37:50,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:43,417 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_14_Pointer~0.offset (_ BitVec 32)) (~var_1_12_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1011 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1016 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_24_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1015 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_property_#t~mem150#1| (_ BitVec 32)) (~var_1_23_Pointer~0.offset (_ BitVec 32))) (let ((.cse7 (let ((.cse8 (store |c_#memory_int| c_~var_1_22_Pointer~0.base v_ArrVal_1011))) (store .cse8 c_~var_1_23_Pointer~0.base (store (select .cse8 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse8 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset)))))))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse7 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))))) (let ((.cse0 (store .cse7 c_~var_1_24_Pointer~0.base (store (select .cse7 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset .cse1)))) (let ((.cse3 (store (store .cse0 c_~var_1_12_Pointer~0.base (store (select .cse0 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_14_Pointer~0.base) ~var_1_14_Pointer~0.offset))))) c_~var_1_15_Pointer~0.base v_ArrVal_1015))) (let ((.cse5 (store .cse3 c_~var_1_1_Pointer~0.base v_ArrVal_1016))) (let ((.cse4 (let ((.cse6 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse5 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse6) .cse6)))) (or (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) .cse1))) (not (bvsgt (let ((.cse2 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse2) .cse2)) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset))))) (not (bvslt .cse4 (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset))) |ULTIMATE.start_property_#t~mem150#1|))) (not (bvsgt .cse4 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset))))))))))))) is different from false [2024-11-09 04:38:48,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1340956511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:38:48,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40222894] [2024-11-09 04:38:48,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:48,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:38:48,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:38:48,626 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:38:48,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 04:38:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:49,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 04:38:49,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:39:00,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2024-11-09 04:39:04,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 49 [2024-11-09 04:39:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 04:39:15,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:39:59,436 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-09 04:39:59,436 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 468 treesize of output 339 [2024-11-09 04:40:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 04:40:04,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40222894] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:40:04,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:40:04,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24, 24, 11] total 65 [2024-11-09 04:40:04,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913143277] [2024-11-09 04:40:04,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:40:04,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 04:40:04,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:40:04,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 04:40:04,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=5889, Unknown=47, NotChecked=800, Total=7140 [2024-11-09 04:40:04,635 INFO L87 Difference]: Start difference. First operand 225 states and 316 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:40:35,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:40:35,028 INFO L93 Difference]: Finished difference Result 511 states and 716 transitions. [2024-11-09 04:40:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 04:40:35,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 161 [2024-11-09 04:40:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:40:35,033 INFO L225 Difference]: With dead ends: 511 [2024-11-09 04:40:35,033 INFO L226 Difference]: Without dead ends: 289 [2024-11-09 04:40:35,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 2428 ImplicationChecksByTransitivity, 192.0s TimeCoverageRelationStatistics Valid=458, Invalid=7171, Unknown=47, NotChecked=880, Total=8556 [2024-11-09 04:40:35,037 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 400 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:40:35,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1102 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-09 04:40:35,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-09 04:40:35,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 233. [2024-11-09 04:40:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 214 states have (on average 1.3738317757009346) internal successors, (294), 214 states have internal predecessors, (294), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 04:40:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 328 transitions. [2024-11-09 04:40:35,052 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 328 transitions. Word has length 161 [2024-11-09 04:40:35,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:40:35,053 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 328 transitions. [2024-11-09 04:40:35,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 04:40:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 328 transitions. [2024-11-09 04:40:35,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 04:40:35,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:40:35,055 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:40:35,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 04:40:35,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 04:40:35,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2024-11-09 04:40:35,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:40:35,656 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:40:35,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:40:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash 240313312, now seen corresponding path program 1 times [2024-11-09 04:40:35,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:40:35,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006084534] [2024-11-09 04:40:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:40:35,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:40:35,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:40:35,660 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:40:35,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-09 04:40:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:37,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-09 04:40:37,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:40:49,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:40:55,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:40:59,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:41:04,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:41:06,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:41:09,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:41:11,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:41:13,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:41:15,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-09 04:41:17,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2024-11-09 04:41:17,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:41:17,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:41:18,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-09 04:41:19,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 81 [2024-11-09 04:41:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 2 proven. 498 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 04:41:20,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:22,569 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1117 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1118 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| c_~var_1_15_Pointer~0.base v_ArrVal_1117))) (or (not (bvsgt (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd .cse0 (bvneg .cse0))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))))) (not (let ((.cse3 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_1118))) (bvsgt (let ((.cse2 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse3 c_~var_1_23_Pointer~0.base) c_~var_1_23_Pointer~0.offset))))) (bvadd (bvneg .cse2) .cse2)) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))))))))) is different from false [2024-11-09 04:41:34,146 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_12_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1112 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_24_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1117 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_23_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_1118 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (let ((.cse7 (store |c_#memory_int| c_~var_1_22_Pointer~0.base v_ArrVal_1112))) (store .cse7 c_~var_1_23_Pointer~0.base (store (select .cse7 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse7 c_~var_1_10_Pointer~0.base) c_~var_1_10_Pointer~0.offset)))))))) (let ((.cse3 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse6 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) (let ((.cse2 (store .cse6 c_~var_1_24_Pointer~0.base (store (select .cse6 c_~var_1_24_Pointer~0.base) ~var_1_24_Pointer~0.offset .cse3)))) (let ((.cse1 (store (store .cse2 c_~var_1_12_Pointer~0.base (store (select .cse2 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_14_Pointer~0.base) c_~var_1_14_Pointer~0.offset))))) c_~var_1_15_Pointer~0.base v_ArrVal_1117))) (or (not (bvsgt (let ((.cse0 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd .cse0 (bvneg .cse0))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset))))) (bvsle ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse2 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))) ((_ sign_extend 24) ((_ extract 7 0) .cse3))) (not (let ((.cse5 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_1118))) (bvsgt (let ((.cse4 ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse5 c_~var_1_23_Pointer~0.base) ~var_1_23_Pointer~0.offset))))) (bvadd .cse4 (bvneg .cse4))) ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset)))))))))))) is different from false [2024-11-09 04:41:35,583 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:41:35,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006084534] [2024-11-09 04:41:35,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006084534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:41:35,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [617504156] [2024-11-09 04:41:35,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:41:35,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:41:35,586 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:41:35,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57355348-8e9a-49e5-87d1-af89981b5035/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 04:41:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:39,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 04:41:39,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:50,815 INFO L349 Elim1Store]: treesize reduction 33, result has 35.3 percent of original size [2024-11-09 04:41:50,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 53 [2024-11-09 04:41:51,194 INFO L349 Elim1Store]: treesize reduction 33, result has 35.3 percent of original size [2024-11-09 04:41:51,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 57 [2024-11-09 04:41:51,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-11-09 04:41:51,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:41:51,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:41:52,167 INFO L349 Elim1Store]: treesize reduction 60, result has 45.0 percent of original size [2024-11-09 04:41:52,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 103 [2024-11-09 04:41:52,353 INFO L224 Elim1Store]: Index analysis took 125 ms [2024-11-09 04:41:52,798 INFO L349 Elim1Store]: treesize reduction 122, result has 12.2 percent of original size [2024-11-09 04:41:52,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 45 treesize of output 36 [2024-11-09 04:41:53,650 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-09 04:41:53,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 21 [2024-11-09 04:41:56,245 INFO L349 Elim1Store]: treesize reduction 212, result has 24.6 percent of original size [2024-11-09 04:41:56,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 260 treesize of output 272 [2024-11-09 04:42:18,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:19,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:20,201 INFO L349 Elim1Store]: treesize reduction 60, result has 45.0 percent of original size [2024-11-09 04:42:20,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 99 [2024-11-09 04:42:25,069 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2024-11-09 04:42:25,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 60 [2024-11-09 04:42:26,093 INFO L349 Elim1Store]: treesize reduction 50, result has 40.5 percent of original size [2024-11-09 04:42:26,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 132 [2024-11-09 04:42:28,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:29,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:30,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:31,125 INFO L349 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2024-11-09 04:42:31,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 88 [2024-11-09 04:42:31,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:33,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 04:42:33,406 INFO L349 Elim1Store]: treesize reduction 36, result has 39.0 percent of original size [2024-11-09 04:42:33,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 79 [2024-11-09 04:43:13,404 WARN L286 SmtUtils]: Spent 24.73s on a formula simplification. DAG size of input: 578 DAG size of output: 569 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)