./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.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_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/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_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/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_7d50432a-4a22-48d3-87b3-b60b20171a78/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 f7c31be9a434ba53341a3b1b9d3c3008143e1c2024ae18072fc17ca52fd542b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:46:15,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:46:15,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:46:15,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:46:15,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:46:15,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:46:15,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:46:15,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:46:15,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:46:15,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:46:15,494 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:46:15,494 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:46:15,495 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:46:15,495 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:46:15,496 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:46:15,497 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:46:15,497 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:46:15,498 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:46:15,498 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:46:15,499 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:46:15,500 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:46:15,504 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:46:15,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:46:15,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:46:15,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:46:15,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:46:15,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:46:15,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:46:15,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:46:15,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:46:15,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:46:15,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:46:15,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:46:15,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:46:15,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:46:15,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:46:15,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:46:15,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:46:15,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:15,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:46:15,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:46:15,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:46:15,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:46:15,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:46:15,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:46:15,518 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:46:15,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:46:15,518 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_7d50432a-4a22-48d3-87b3-b60b20171a78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c31be9a434ba53341a3b1b9d3c3008143e1c2024ae18072fc17ca52fd542b8 [2024-11-09 04:46:15,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:46:15,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:46:15,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:46:15,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:46:15,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:46:15,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i Unable to find full path for "g++" [2024-11-09 04:46:18,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:46:18,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:46:18,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i [2024-11-09 04:46:18,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data/58bb22137/8dc95cf77d534970ba80517fa11f30d0/FLAG8d7198e46 [2024-11-09 04:46:19,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data/58bb22137/8dc95cf77d534970ba80517fa11f30d0 [2024-11-09 04:46:19,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:46:19,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:46:19,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:19,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:46:19,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:46:19,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4baabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19, skipping insertion in model container [2024-11-09 04:46:19,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:46:19,322 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_7d50432a-4a22-48d3-87b3-b60b20171a78/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i[916,929] [2024-11-09 04:46:19,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:19,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:46:19,475 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_7d50432a-4a22-48d3-87b3-b60b20171a78/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i[916,929] [2024-11-09 04:46:19,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:19,557 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:46:19,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19 WrapperNode [2024-11-09 04:46:19,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:19,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:19,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:46:19,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:46:19,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,649 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 587 [2024-11-09 04:46:19,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:19,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:46:19,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:46:19,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:46:19,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:46:19,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:46:19,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:46:19,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:46:19,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (1/1) ... [2024-11-09 04:46:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:19,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:19,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:46:19,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:46:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:46:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:46:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:46:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:46:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:46:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:46:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:46:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:46:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:46:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:46:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:46:20,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:46:20,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:46:20,948 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-09 04:46:20,948 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:46:21,734 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:46:21,734 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:46:21,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:21 BoogieIcfgContainer [2024-11-09 04:46:21,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:46:21,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:46:21,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:46:21,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:46:21,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:19" (1/3) ... [2024-11-09 04:46:21,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a74e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:21, skipping insertion in model container [2024-11-09 04:46:21,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:19" (2/3) ... [2024-11-09 04:46:21,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a74e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:21, skipping insertion in model container [2024-11-09 04:46:21,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:21" (3/3) ... [2024-11-09 04:46:21,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-51.i [2024-11-09 04:46:21,776 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:46:21,777 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:46:21,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:46:21,887 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;@15ee83f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:46:21,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:46:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:46:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 04:46:21,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:21,907 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:21,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:21,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:21,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1179109298, now seen corresponding path program 1 times [2024-11-09 04:46:21,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:21,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089678221] [2024-11-09 04:46:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:46:28,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803901048] [2024-11-09 04:46:28,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:28,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:28,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:46:28,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:46:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:46:30,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:46:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:46:33,933 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:46:33,936 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:46:33,937 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:46:33,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:46:34,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:34,145 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:46:34,339 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:46:34,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:46:34 BoogieIcfgContainer [2024-11-09 04:46:34,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:46:34,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:46:34,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:46:34,343 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:46:34,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:21" (3/4) ... [2024-11-09 04:46:34,348 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:46:34,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:46:34,351 INFO L158 Benchmark]: Toolchain (without parser) took 15324.21ms. Allocated memory was 119.5MB in the beginning and 373.3MB in the end (delta: 253.8MB). Free memory was 82.2MB in the beginning and 232.2MB in the end (delta: -150.1MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2024-11-09 04:46:34,352 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:46:34,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.82ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 65.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:46:34,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.97ms. Allocated memory is still 119.5MB. Free memory was 65.7MB in the beginning and 62.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:46:34,355 INFO L158 Benchmark]: Boogie Preprocessor took 62.77ms. Allocated memory is still 119.5MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:46:34,356 INFO L158 Benchmark]: RCFGBuilder took 2020.51ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 59.5MB in the beginning and 68.2MB in the end (delta: -8.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-11-09 04:46:34,356 INFO L158 Benchmark]: TraceAbstraction took 12600.14ms. Allocated memory was 159.4MB in the beginning and 373.3MB in the end (delta: 213.9MB). Free memory was 67.2MB in the beginning and 232.2MB in the end (delta: -165.0MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-11-09 04:46:34,357 INFO L158 Benchmark]: Witness Printer took 6.69ms. Allocated memory is still 373.3MB. Free memory is still 232.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:46:34,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.82ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 65.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.97ms. Allocated memory is still 119.5MB. Free memory was 65.7MB in the beginning and 62.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.77ms. Allocated memory is still 119.5MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2020.51ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 59.5MB in the beginning and 68.2MB in the end (delta: -8.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12600.14ms. Allocated memory was 159.4MB in the beginning and 373.3MB in the end (delta: 213.9MB). Free memory was 67.2MB in the beginning and 232.2MB in the end (delta: -165.0MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Witness Printer took 6.69ms. Allocated memory is still 373.3MB. Free memory is still 232.2MB. 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 74, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someUnaryDOUBLEoperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] signed short int var_1_5 = -16; [L27] signed short int* var_1_5_Pointer = &(var_1_5); [L28] double var_1_6 = 100.01; [L29] double* var_1_6_Pointer = &(var_1_6); [L30] double var_1_7 = 999999999.4; [L31] double* var_1_7_Pointer = &(var_1_7); [L32] double var_1_8 = 10.6; [L33] double* var_1_8_Pointer = &(var_1_8); [L34] double var_1_9 = 127.5; [L35] double* var_1_9_Pointer = &(var_1_9); [L36] unsigned long int var_1_10 = 1; [L37] unsigned long int* var_1_10_Pointer = &(var_1_10); [L38] unsigned long int var_1_11 = 2467894503; [L39] unsigned long int* var_1_11_Pointer = &(var_1_11); [L40] unsigned long int var_1_12 = 2565572511; [L41] unsigned long int* var_1_12_Pointer = &(var_1_12); [L42] unsigned long int var_1_13 = 500; [L43] unsigned long int* var_1_13_Pointer = &(var_1_13); [L44] unsigned long int var_1_15 = 2277019112; [L45] unsigned long int* var_1_15_Pointer = &(var_1_15); [L46] unsigned long int var_1_16 = 2745650083; [L47] unsigned long int* var_1_16_Pointer = &(var_1_16); [L48] unsigned long int var_1_17 = 8; [L49] unsigned long int* var_1_17_Pointer = &(var_1_17); [L50] unsigned long int last_1_var_1_17 = 8; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L113] EXPR \read(var_1_17) [L113] last_1_var_1_17 = var_1_17 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L81] var_1_2 = __VERIFIER_nondet_uchar() [L82] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] var_1_5 = __VERIFIER_nondet_short() [L85] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] var_1_6 = __VERIFIER_nondet_double() [L89] EXPR \read(var_1_6) [L89] EXPR var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F [L89] EXPR \read(var_1_6) [L89] EXPR var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F [L89] EXPR (var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] var_1_7 = __VERIFIER_nondet_double() [L91] EXPR \read(var_1_7) [L91] EXPR var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F [L91] EXPR \read(var_1_7) [L91] EXPR var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F [L91] EXPR (var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_8 = __VERIFIER_nondet_double() [L93] EXPR \read(var_1_8) [L93] EXPR var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F [L93] EXPR \read(var_1_8) [L93] EXPR var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F [L93] EXPR (var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] var_1_9 = __VERIFIER_nondet_double() [L95] EXPR \read(var_1_9) [L95] EXPR var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F [L95] EXPR (var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F ) [L95] EXPR \read(var_1_9) [L95] EXPR var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F [L95] EXPR \read(var_1_9) [L95] EXPR var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F [L95] EXPR (var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] var_1_11 = __VERIFIER_nondet_ulong() [L97] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_11 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_11 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] var_1_12 = __VERIFIER_nondet_ulong() [L100] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] CALL assume_abort_if_not(var_1_12 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] var_1_13 = __VERIFIER_nondet_ulong() [L103] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] var_1_15 = __VERIFIER_nondet_ulong() [L106] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] var_1_16 = __VERIFIER_nondet_ulong() [L109] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L109] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L110] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L110] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L124] RET updateVariables() [L125] CALL step() [L54] unsigned long int stepLocal_1 = - last_1_var_1_17; [L55] EXPR \read(*var_1_11_Pointer) [L55] EXPR \read(*var_1_12_Pointer) [L55] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_12_Pointer))) [L55] EXPR \read(*var_1_11_Pointer) [L55] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_12_Pointer))) [L55] EXPR \read(*var_1_13_Pointer) [L55] COND FALSE !(((((((*(var_1_11_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_12_Pointer))))) - (*(var_1_13_Pointer))) != stepLocal_1) [L58] EXPR \read(*var_1_15_Pointer) [L58] (*(var_1_10_Pointer)) = (*(var_1_15_Pointer)) [L60] EXPR \read(*var_1_10_Pointer) [L60] EXPR \read(*var_1_10_Pointer) [L60] COND TRUE (*(var_1_10_Pointer)) <= (*(var_1_10_Pointer)) [L61] EXPR \read(*var_1_2_Pointer) [L61] (*(var_1_2_Pointer)) && ((*(var_1_10_Pointer)) == (((((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer)))))) [L61] EXPR \read(*var_1_10_Pointer) [L61] EXPR \read(*var_1_16_Pointer) [L61] EXPR \read(*var_1_12_Pointer) [L61] EXPR (((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer))) [L61] EXPR \read(*var_1_12_Pointer) [L61] EXPR (((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer))) [L61] (*(var_1_2_Pointer)) && ((*(var_1_10_Pointer)) == (((((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer)))))) [L61] COND TRUE (*(var_1_2_Pointer)) && ((*(var_1_10_Pointer)) == (((((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer)))))) [L62] EXPR \read(*var_1_10_Pointer) [L62] EXPR \read(*var_1_11_Pointer) [L62] COND TRUE (*(var_1_10_Pointer)) < (*(var_1_11_Pointer)) [L63] EXPR \read(*var_1_15_Pointer) [L63] (*(var_1_17_Pointer)) = (*(var_1_15_Pointer)) [L69] EXPR \read(*var_1_10_Pointer) [L69] unsigned long int stepLocal_0 = (*(var_1_10_Pointer)); [L70] EXPR \read(*var_1_2_Pointer) [L70] COND TRUE (*(var_1_2_Pointer)) [L71] EXPR \read(*var_1_10_Pointer) [L71] EXPR \read(*var_1_5_Pointer) [L71] COND TRUE stepLocal_0 >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer))) [L72] EXPR \read(*var_1_6_Pointer) [L72] EXPR (((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))) [L72] EXPR \read(*var_1_6_Pointer) [L72] EXPR (((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))) [L72] (*(var_1_1_Pointer)) = (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))) [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR \read(*var_1_2_Pointer) [L116] EXPR (*(var_1_2_Pointer)) ? (((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25)))))))) : ((*(var_1_1_Pointer)) == ((double) (*(var_1_8_Pointer)))) [L116] EXPR \read(*var_1_10_Pointer) [L116] EXPR \read(*var_1_10_Pointer) [L116] EXPR \read(*var_1_5_Pointer) [L116] EXPR ((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25))))))) [L116] EXPR \read(*var_1_1_Pointer) [L116] EXPR \read(*var_1_6_Pointer) [L116] EXPR (((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))) [L116] EXPR \read(*var_1_6_Pointer) [L116] EXPR (((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))) [L116] EXPR ((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25))))))) [L116] EXPR (*(var_1_2_Pointer)) ? (((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25)))))))) : ((*(var_1_1_Pointer)) == ((double) (*(var_1_8_Pointer)))) [L116] EXPR ((*(var_1_2_Pointer)) ? (((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25)))))))) : ((*(var_1_1_Pointer)) == ((double) (*(var_1_8_Pointer))))) && ((((((((*(var_1_11_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_12_Pointer))))) - (*(var_1_13_Pointer))) != (- last_1_var_1_17)) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((((((*(var_1_15_Pointer))) < ((*(var_1_16_Pointer)))) ? ((*(var_1_15_Pointer))) : ((*(var_1_16_Pointer))))) - (*(var_1_13_Pointer))))) : ((*(var_1_10_Pointer)) == ((unsigned long int) (*(var_1_15_Pointer))))) [L116] EXPR (((*(var_1_2_Pointer)) ? (((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25)))))))) : ((*(var_1_1_Pointer)) == ((double) (*(var_1_8_Pointer))))) && ((((((((*(var_1_11_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_12_Pointer))))) - (*(var_1_13_Pointer))) != (- last_1_var_1_17)) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((((((*(var_1_15_Pointer))) < ((*(var_1_16_Pointer)))) ? ((*(var_1_15_Pointer))) : ((*(var_1_16_Pointer))))) - (*(var_1_13_Pointer))))) : ((*(var_1_10_Pointer)) == ((unsigned long int) (*(var_1_15_Pointer)))))) && (((*(var_1_10_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_2_Pointer)) && ((*(var_1_10_Pointer)) == (((((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer))))))) ? (((*(var_1_10_Pointer)) < (*(var_1_11_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned long int) (*(var_1_15_Pointer)))) : 1) : 1) : ((*(var_1_17_Pointer)) == ((unsigned long int) (*(var_1_16_Pointer))))) [L116-L117] return (((*(var_1_2_Pointer)) ? (((*(var_1_10_Pointer)) >= ((*(var_1_10_Pointer)) / (*(var_1_5_Pointer)))) ? ((*(var_1_1_Pointer)) == ((double) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer))))))) : ((*(var_1_1_Pointer)) == ((double) ((*(var_1_7_Pointer)) + (((((*(var_1_8_Pointer))) > (((*(var_1_9_Pointer)) + 63.25))) ? ((*(var_1_8_Pointer))) : (((*(var_1_9_Pointer)) + 63.25)))))))) : ((*(var_1_1_Pointer)) == ((double) (*(var_1_8_Pointer))))) && ((((((((*(var_1_11_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_12_Pointer))))) - (*(var_1_13_Pointer))) != (- last_1_var_1_17)) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((((((*(var_1_15_Pointer))) < ((*(var_1_16_Pointer)))) ? ((*(var_1_15_Pointer))) : ((*(var_1_16_Pointer))))) - (*(var_1_13_Pointer))))) : ((*(var_1_10_Pointer)) == ((unsigned long int) (*(var_1_15_Pointer)))))) && (((*(var_1_10_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_2_Pointer)) && ((*(var_1_10_Pointer)) == (((((*(var_1_16_Pointer))) > ((*(var_1_12_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_12_Pointer))))))) ? (((*(var_1_10_Pointer)) < (*(var_1_11_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned long int) (*(var_1_15_Pointer)))) : 1) : 1) : ((*(var_1_17_Pointer)) == ((unsigned long int) (*(var_1_16_Pointer))))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_17=8, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred 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, 8.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 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 04:46:34,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/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_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/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_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/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_7d50432a-4a22-48d3-87b3-b60b20171a78/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 f7c31be9a434ba53341a3b1b9d3c3008143e1c2024ae18072fc17ca52fd542b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:46:37,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:46:37,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:46:37,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:46:37,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:46:37,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:46:37,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:46:37,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:46:37,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:46:37,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:46:37,188 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:46:37,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:46:37,189 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:46:37,189 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:46:37,190 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:46:37,190 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:46:37,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:46:37,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:46:37,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:46:37,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:46:37,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:46:37,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:46:37,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:46:37,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:46:37,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:46:37,201 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:46:37,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:46:37,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:46:37,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:46:37,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:46:37,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:46:37,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:46:37,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:46:37,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:46:37,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:46:37,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:37,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:46:37,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:46:37,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:46:37,207 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:46:37,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:46:37,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:46:37,209 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:46:37,209 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_7d50432a-4a22-48d3-87b3-b60b20171a78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c31be9a434ba53341a3b1b9d3c3008143e1c2024ae18072fc17ca52fd542b8 [2024-11-09 04:46:37,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:46:37,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:46:37,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:46:37,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:46:37,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:46:37,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i Unable to find full path for "g++" [2024-11-09 04:46:39,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:46:40,062 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:46:40,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i [2024-11-09 04:46:40,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data/17b5ee508/3e9cd1253c04492f9393b5aab1e6b612/FLAG196b6aada [2024-11-09 04:46:40,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/data/17b5ee508/3e9cd1253c04492f9393b5aab1e6b612 [2024-11-09 04:46:40,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:46:40,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:46:40,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:40,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:46:40,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:46:40,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69256542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40, skipping insertion in model container [2024-11-09 04:46:40,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:46:40,389 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_7d50432a-4a22-48d3-87b3-b60b20171a78/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i[916,929] [2024-11-09 04:46:40,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:40,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:46:40,602 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_7d50432a-4a22-48d3-87b3-b60b20171a78/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-51.i[916,929] [2024-11-09 04:46:40,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:40,703 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:46:40,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40 WrapperNode [2024-11-09 04:46:40,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:40,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:40,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:46:40,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:46:40,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,779 INFO L138 Inliner]: procedures = 36, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 586 [2024-11-09 04:46:40,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:40,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:46:40,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:46:40,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:46:40,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:46:40,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:46:40,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:46:40,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:46:40,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (1/1) ... [2024-11-09 04:46:40,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:40,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:46:40,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:46:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:46:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 04:46:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 04:46:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 04:46:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 04:46:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:46:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 04:46:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 04:46:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 04:46:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 04:46:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:46:40,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:46:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:46:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:46:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 04:46:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 04:46:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 04:46:41,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:46:41,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:46:44,683 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-09 04:46:44,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:46:44,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:46:44,711 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:46:44,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:44 BoogieIcfgContainer [2024-11-09 04:46:44,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:46:44,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:46:44,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:46:44,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:46:44,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:40" (1/3) ... [2024-11-09 04:46:44,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebab5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:44, skipping insertion in model container [2024-11-09 04:46:44,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:40" (2/3) ... [2024-11-09 04:46:44,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebab5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:44, skipping insertion in model container [2024-11-09 04:46:44,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:44" (3/3) ... [2024-11-09 04:46:44,721 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-51.i [2024-11-09 04:46:44,741 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:46:44,741 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:46:44,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:46:44,827 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;@5ba02e95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:46:44,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:46:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 102 states have (on average 1.4215686274509804) internal successors, (145), 103 states have internal predecessors, (145), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:46:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 04:46:44,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:44,854 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:44,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:44,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash -495582951, now seen corresponding path program 1 times [2024-11-09 04:46:44,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:46:44,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219831336] [2024-11-09 04:46:44,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:44,893 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 04:46:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:46:44,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:44,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:45,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:46:45,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 04:46:45,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:46:45,563 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:46:45,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219831336] [2024-11-09 04:46:45,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219831336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:45,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:45,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:46:45,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391222504] [2024-11-09 04:46:45,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:45,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:46:45,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:46:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:46:45,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:46:45,613 INFO L87 Difference]: Start difference. First operand has 124 states, 102 states have (on average 1.4215686274509804) internal successors, (145), 103 states have internal predecessors, (145), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:46:45,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:45,660 INFO L93 Difference]: Finished difference Result 241 states and 379 transitions. [2024-11-09 04:46:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:46:45,666 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2024-11-09 04:46:45,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:45,678 INFO L225 Difference]: With dead ends: 241 [2024-11-09 04:46:45,678 INFO L226 Difference]: Without dead ends: 120 [2024-11-09 04:46:45,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 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 04:46:45,686 INFO L432 NwaCegarLoop]: 176 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, 176 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 04:46:45,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:46:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-09 04:46:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-09 04:46:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.393939393939394) internal successors, (138), 99 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:46:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-11-09 04:46:45,749 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 149 [2024-11-09 04:46:45,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:45,750 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-11-09 04:46:45,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:46:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-11-09 04:46:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 04:46:45,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:45,755 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:45,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 04:46:45,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:45,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:45,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:45,957 INFO L85 PathProgramCache]: Analyzing trace with hash -582652485, now seen corresponding path program 1 times [2024-11-09 04:46:45,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:46:45,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104519365] [2024-11-09 04:46:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:45,959 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 04:46:45,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:46:45,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:45,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:46,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:46:46,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-09 04:46:46,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:46:46,558 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:46:46,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104519365] [2024-11-09 04:46:46,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104519365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:46,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:46,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:46:46,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004956181] [2024-11-09 04:46:46,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:46,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:46:46,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:46:46,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:46:46,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:46:46,564 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:46:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:46,748 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-11-09 04:46:46,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:46:46,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2024-11-09 04:46:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:46,755 INFO L225 Difference]: With dead ends: 239 [2024-11-09 04:46:46,756 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 04:46:46,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 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 04:46:46,760 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 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 04:46:46,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 04:46:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-09 04:46:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.386138613861386) internal successors, (140), 101 states have internal predecessors, (140), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:46:46,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-11-09 04:46:46,790 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 149 [2024-11-09 04:46:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:46,796 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-09 04:46:46,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:46:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-11-09 04:46:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 04:46:46,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:46,803 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:46,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:47,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:47,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:47,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash 474078717, now seen corresponding path program 1 times [2024-11-09 04:46:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:46:47,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487372990] [2024-11-09 04:46:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:47,007 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 04:46:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:46:47,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:47,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:47,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:46:47,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:47,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 04:46:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:46:47,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:46:47,788 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:46:47,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487372990] [2024-11-09 04:46:47,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487372990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:47,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:47,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:47,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304533692] [2024-11-09 04:46:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:47,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:47,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:46:47,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:47,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:47,797 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:46:47,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:47,851 INFO L93 Difference]: Finished difference Result 241 states and 353 transitions. [2024-11-09 04:46:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:47,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-11-09 04:46:47,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:47,865 INFO L225 Difference]: With dead ends: 241 [2024-11-09 04:46:47,866 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 04:46:47,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 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 04:46:47,875 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:47,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:46:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 04:46:47,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-09 04:46:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:46:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2024-11-09 04:46:47,915 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 149 [2024-11-09 04:46:47,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:47,918 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2024-11-09 04:46:47,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:46:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2024-11-09 04:46:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 04:46:47,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:47,926 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:47,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:48,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:48,128 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:48,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2112696274, now seen corresponding path program 1 times [2024-11-09 04:46:48,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:46:48,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084834371] [2024-11-09 04:46:48,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:48,134 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 04:46:48,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:46:48,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:48,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:46:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:48,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 04:46:48,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:54,520 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 04:46:56,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:46:56,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:46:57,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:46:58,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:46:59,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:47:00,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:47:00,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-09 04:47:01,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:47:01,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 96 [2024-11-09 04:47:01,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:47:01,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 354 treesize of output 134 [2024-11-09 04:47:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 580 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:47:01,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:47:09,589 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_45| (_ BitVec 64)) (~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (bvadd c_~var_1_8_Pointer~0.offset (_ bv4 32))) (.cse6 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_138))) (or (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_45|)) (.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_45|))) (fp.eq (let ((.cse0 (concat .cse1 .cse2))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse3 (let ((.cse4 (select (store .cse6 c_~var_1_1_Pointer~0.base (store (store (select .cse6 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse2) (bvadd (_ bv4 32) ~var_1_1_Pointer~0.offset) .cse1)) c_~var_1_8_Pointer~0.base))) (concat (select .cse4 .cse5) (select .cse4 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (not (= (let ((.cse7 (let ((.cse8 (select .cse6 c_~var_1_8_Pointer~0.base))) (concat (select .cse8 .cse5) (select .cse8 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_45|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_45|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_45|))))))) is different from false [2024-11-09 04:47:09,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:47:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084834371] [2024-11-09 04:47:09,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084834371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:47:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [629126154] [2024-11-09 04:47:09,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:09,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:47:09,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:47:09,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:47:09,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 04:47:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:47:12,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 04:47:12,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:47:19,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-09 04:47:22,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:23,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:24,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:26,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:27,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:28,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:29,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2024-11-09 04:47:30,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 96 [2024-11-09 04:47:30,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 147 [2024-11-09 04:47:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 580 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:47:30,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:47:33,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [629126154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:47:33,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217874327] [2024-11-09 04:47:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:33,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:47:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:47:33,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:47:33,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:47:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:47:33,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 04:47:33,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:47:38,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 04:47:40,952 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 97 treesize of output 70 [2024-11-09 04:47:42,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 70 [2024-11-09 04:47:43,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 70 [2024-11-09 04:47:44,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 70 [2024-11-09 04:47:45,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 70 [2024-11-09 04:47:46,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 70 [2024-11-09 04:47:47,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 70 [2024-11-09 04:47:48,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 94 [2024-11-09 04:47:48,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:47:48,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 324 treesize of output 134 [2024-11-09 04:47:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 583 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-09 04:47:48,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:47:52,421 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_223 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_45| (_ BitVec 64)) (~var_1_1_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (bvadd c_~var_1_8_Pointer~0.offset (_ bv4 32))) (.cse3 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_223))) (or (not (= (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_8_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_45|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_45|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_45|)))) (let ((.cse6 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_45|)) (.cse5 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_45|))) (fp.eq (let ((.cse4 (concat .cse5 .cse6))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse7 (let ((.cse8 (select (store .cse3 c_~var_1_1_Pointer~0.base (store (store (select .cse3 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse6) (bvadd (_ bv4 32) ~var_1_1_Pointer~0.offset) .cse5)) c_~var_1_8_Pointer~0.base))) (concat (select .cse8 .cse2) (select .cse8 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))))))) is different from false [2024-11-09 04:47:52,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217874327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:47:52,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:47:52,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 18] total 44 [2024-11-09 04:47:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98057338] [2024-11-09 04:47:52,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:47:52,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-09 04:47:52,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:47:52,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-09 04:47:52,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=2006, Unknown=12, NotChecked=194, Total=2652 [2024-11-09 04:47:52,710 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 45 states, 45 states have (on average 5.044444444444444) internal successors, (227), 44 states have internal predecessors, (227), 24 states have call successors, (57), 24 states have call predecessors, (57), 25 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-09 04:48:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:14,356 INFO L93 Difference]: Finished difference Result 368 states and 532 transitions. [2024-11-09 04:48:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 04:48:14,358 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 5.044444444444444) internal successors, (227), 44 states have internal predecessors, (227), 24 states have call successors, (57), 24 states have call predecessors, (57), 25 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) Word has length 151 [2024-11-09 04:48:14,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:14,361 INFO L225 Difference]: With dead ends: 368 [2024-11-09 04:48:14,361 INFO L226 Difference]: Without dead ends: 249 [2024-11-09 04:48:14,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 463 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=752, Invalid=2783, Unknown=13, NotChecked=234, Total=3782 [2024-11-09 04:48:14,364 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 748 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:14,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1228 Invalid, 2469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [150 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2024-11-09 04:48:14,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-09 04:48:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 174. [2024-11-09 04:48:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 140 states have internal predecessors, (190), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:48:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 252 transitions. [2024-11-09 04:48:14,407 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 252 transitions. Word has length 151 [2024-11-09 04:48:14,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:14,408 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 252 transitions. [2024-11-09 04:48:14,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.044444444444444) internal successors, (227), 44 states have internal predecessors, (227), 24 states have call successors, (57), 24 states have call predecessors, (57), 25 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-09 04:48:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 252 transitions. [2024-11-09 04:48:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 04:48:14,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:14,412 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:14,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 04:48:14,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:14,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:48:15,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:48:15,015 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:15,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:15,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1153734979, now seen corresponding path program 1 times [2024-11-09 04:48:15,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:48:15,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350743570] [2024-11-09 04:48:15,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:15,017 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 04:48:15,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:48:15,020 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:15,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:15,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:48:15,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:48:15,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:48:15,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:48:15,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350743570] [2024-11-09 04:48:15,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350743570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:15,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:48:15,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:48:15,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961441906] [2024-11-09 04:48:15,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:15,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:48:15,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:48:15,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:48:15,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:48:15,428 INFO L87 Difference]: Start difference. First operand 174 states and 252 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:48:15,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:15,501 INFO L93 Difference]: Finished difference Result 347 states and 505 transitions. [2024-11-09 04:48:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:48:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-09 04:48:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:15,505 INFO L225 Difference]: With dead ends: 347 [2024-11-09 04:48:15,505 INFO L226 Difference]: Without dead ends: 176 [2024-11-09 04:48:15,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 04:48:15,507 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 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 04:48:15,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:48:15,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-09 04:48:15,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-09 04:48:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 142 states have (on average 1.352112676056338) internal successors, (192), 142 states have internal predecessors, (192), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:48:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 254 transitions. [2024-11-09 04:48:15,543 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 254 transitions. Word has length 152 [2024-11-09 04:48:15,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:15,543 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 254 transitions. [2024-11-09 04:48:15,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:48:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 254 transitions. [2024-11-09 04:48:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 04:48:15,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:15,547 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:15,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:15,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:15,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:15,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:15,748 INFO L85 PathProgramCache]: Analyzing trace with hash 491872454, now seen corresponding path program 1 times [2024-11-09 04:48:15,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:48:15,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564261019] [2024-11-09 04:48:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:15,749 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 04:48:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:48:15,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:15,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:16,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:48:16,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:16,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:16,610 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 157 treesize of output 67 [2024-11-09 04:48:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 28 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 04:48:16,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:17,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:17,110 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 101 treesize of output 1 [2024-11-09 04:48:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 21 proven. 33 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:48:17,164 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:48:17,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564261019] [2024-11-09 04:48:17,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564261019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:48:17,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1764137993] [2024-11-09 04:48:17,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:17,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:48:17,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:48:17,166 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:48:17,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 04:48:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:18,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:48:18,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:19,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:19,297 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 157 treesize of output 67 [2024-11-09 04:48:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 28 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 04:48:19,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:19,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:19,544 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 101 treesize of output 1 [2024-11-09 04:48:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 21 proven. 33 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:48:19,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1764137993] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:48:19,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690710275] [2024-11-09 04:48:19,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:19,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:19,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:48:19,600 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:48:19,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 04:48:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:19,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 04:48:19,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:20,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:20,457 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 206 treesize of output 86 [2024-11-09 04:48:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 28 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 04:48:20,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:21,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:21,530 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 151 treesize of output 1 [2024-11-09 04:48:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 21 proven. 33 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 04:48:21,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690710275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:48:21,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:48:21,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9, 8, 10, 9] total 16 [2024-11-09 04:48:21,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074854472] [2024-11-09 04:48:21,583 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:48:21,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 04:48:21,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:48:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 04:48:21,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-09 04:48:21,585 INFO L87 Difference]: Start difference. First operand 176 states and 254 transitions. Second operand has 16 states, 15 states have (on average 6.733333333333333) internal successors, (101), 16 states have internal predecessors, (101), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-09 04:48:27,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:27,700 INFO L93 Difference]: Finished difference Result 363 states and 521 transitions. [2024-11-09 04:48:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 04:48:27,701 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.733333333333333) internal successors, (101), 16 states have internal predecessors, (101), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 153 [2024-11-09 04:48:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:27,703 INFO L225 Difference]: With dead ends: 363 [2024-11-09 04:48:27,703 INFO L226 Difference]: Without dead ends: 178 [2024-11-09 04:48:27,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 897 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-09 04:48:27,706 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 155 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:27,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 670 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-09 04:48:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-09 04:48:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 174. [2024-11-09 04:48:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 140 states have internal predecessors, (188), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:48:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 250 transitions. [2024-11-09 04:48:27,744 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 250 transitions. Word has length 153 [2024-11-09 04:48:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:27,746 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 250 transitions. [2024-11-09 04:48:27,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.733333333333333) internal successors, (101), 16 states have internal predecessors, (101), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-09 04:48:27,747 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 250 transitions. [2024-11-09 04:48:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 04:48:27,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:27,753 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:27,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:27,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 04:48:28,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 04:48:28,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:28,354 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:28,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:28,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1405624312, now seen corresponding path program 1 times [2024-11-09 04:48:28,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:48:28,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141893773] [2024-11-09 04:48:28,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:28,355 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 04:48:28,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:48:28,357 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:28,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:48:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:28,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 04:48:28,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:35,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:36,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:37,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:38,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:38,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:39,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:40,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-09 04:48:40,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:40,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 94 [2024-11-09 04:48:40,796 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:48:40,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 352 treesize of output 132 [2024-11-09 04:48:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 580 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:48:41,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:51,562 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_91| (_ BitVec 64)) (v_ArrVal_390 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_1_Pointer~0.offset (_ BitVec 32))) (let ((.cse5 (bvadd c_~var_1_8_Pointer~0.offset (_ bv4 32))) (.cse6 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_390))) (or (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_91|)) (.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_91|))) (fp.eq (let ((.cse0 (concat .cse1 .cse2))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse3 (let ((.cse4 (select (store .cse6 c_~var_1_1_Pointer~0.base (store (store (select .cse6 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse2) (bvadd (_ bv4 32) ~var_1_1_Pointer~0.offset) .cse1)) c_~var_1_8_Pointer~0.base))) (concat (select .cse4 .cse5) (select .cse4 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (not (= (let ((.cse7 (let ((.cse8 (select .cse6 c_~var_1_8_Pointer~0.base))) (concat (select .cse8 .cse5) (select .cse8 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_91|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_91|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_91|))))))) is different from false [2024-11-09 04:48:51,851 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:48:51,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141893773] [2024-11-09 04:48:51,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141893773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:48:51,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [517889434] [2024-11-09 04:48:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:48:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:48:51,853 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:48:51,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 04:48:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:54,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 04:48:54,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:49:00,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 04:49:03,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:04,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:05,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:06,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:07,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:08,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:09,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-09 04:49:10,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 90 [2024-11-09 04:49:10,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 132 [2024-11-09 04:49:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 580 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 04:49:10,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:49:12,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [517889434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:49:12,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101945284] [2024-11-09 04:49:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:12,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:49:12,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:49:12,363 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:49:12,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 04:49:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:49:15,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 04:49:15,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:49:19,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 04:49:28,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:29,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:30,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:32,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:33,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:34,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:35,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-11-09 04:49:36,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 73 [2024-11-09 04:49:37,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:49:37,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 279 treesize of output 113 [2024-11-09 04:49:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 583 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-09 04:49:37,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:49:44,832 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_91| (_ BitVec 64)) (v_ArrVal_474 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_1_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (bvadd c_~var_1_8_Pointer~0.offset (_ bv4 32))) (.cse3 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_474))) (or (not (= (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_8_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_91|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_91|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_91|)))) (let ((.cse6 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_91|)) (.cse5 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_91|))) (fp.eq (let ((.cse4 (concat .cse5 .cse6))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse7 (let ((.cse8 (select (store .cse3 c_~var_1_1_Pointer~0.base (store (store (select .cse3 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse6) (bvadd (_ bv4 32) ~var_1_1_Pointer~0.offset) .cse5)) c_~var_1_8_Pointer~0.base))) (concat (select .cse8 .cse2) (select .cse8 c_~var_1_8_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))))))) is different from false [2024-11-09 04:49:45,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101945284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:49:45,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:49:45,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 22] total 54 [2024-11-09 04:49:45,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764738665] [2024-11-09 04:49:45,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:49:45,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-09 04:49:45,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:49:45,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-09 04:49:45,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=3064, Unknown=22, NotChecked=234, Total=3782 [2024-11-09 04:49:45,069 INFO L87 Difference]: Start difference. First operand 174 states and 250 transitions. Second operand has 55 states, 52 states have (on average 4.480769230769231) internal successors, (233), 48 states have internal predecessors, (233), 24 states have call successors, (57), 24 states have call predecessors, (57), 25 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-09 04:50:39,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:39,683 INFO L93 Difference]: Finished difference Result 476 states and 676 transitions. [2024-11-09 04:50:39,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 04:50:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 52 states have (on average 4.480769230769231) internal successors, (233), 48 states have internal predecessors, (233), 24 states have call successors, (57), 24 states have call predecessors, (57), 25 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) Word has length 153 [2024-11-09 04:50:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:39,687 INFO L225 Difference]: With dead ends: 476 [2024-11-09 04:50:39,688 INFO L226 Difference]: Without dead ends: 305 [2024-11-09 04:50:39,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 459 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2027 ImplicationChecksByTransitivity, 50.8s TimeCoverageRelationStatistics Valid=972, Invalid=5167, Unknown=31, NotChecked=310, Total=6480 [2024-11-09 04:50:39,692 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1040 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 4038 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 4038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:39,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1921 Invalid, 4335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [297 Valid, 4038 Invalid, 0 Unknown, 0 Unchecked, 40.7s Time] [2024-11-09 04:50:39,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-09 04:50:39,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 167. [2024-11-09 04:50:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 131 states have (on average 1.3129770992366412) internal successors, (172), 132 states have internal predecessors, (172), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:50:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 234 transitions. [2024-11-09 04:50:39,733 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 234 transitions. Word has length 153 [2024-11-09 04:50:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:39,734 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 234 transitions. [2024-11-09 04:50:39,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 52 states have (on average 4.480769230769231) internal successors, (233), 48 states have internal predecessors, (233), 24 states have call successors, (57), 24 states have call predecessors, (57), 25 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-09 04:50:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 234 transitions. [2024-11-09 04:50:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 04:50:39,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:39,738 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:50:39,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 04:50:39,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:50:40,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 04:50:40,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:50:40,342 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:40,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:40,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1317476548, now seen corresponding path program 1 times [2024-11-09 04:50:40,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:40,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647659726] [2024-11-09 04:50:40,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:40,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:50:40,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:40,345 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:50:40,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:50:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:40,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:50:40,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:50:41,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:50:41,099 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:41,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647659726] [2024-11-09 04:50:41,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647659726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:41,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:50:41,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:50:41,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917208573] [2024-11-09 04:50:41,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:41,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:50:41,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:50:41,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:50:41,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:50:41,102 INFO L87 Difference]: Start difference. First operand 167 states and 234 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:50:43,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:43,487 INFO L93 Difference]: Finished difference Result 335 states and 470 transitions. [2024-11-09 04:50:43,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:50:43,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2024-11-09 04:50:43,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:43,491 INFO L225 Difference]: With dead ends: 335 [2024-11-09 04:50:43,492 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 04:50:43,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:50:43,493 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 4 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:43,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 497 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 04:50:43,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 04:50:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2024-11-09 04:50:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 133 states have (on average 1.3082706766917294) internal successors, (174), 134 states have internal predecessors, (174), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:50:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 236 transitions. [2024-11-09 04:50:43,542 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 236 transitions. Word has length 154 [2024-11-09 04:50:43,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:43,543 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 236 transitions. [2024-11-09 04:50:43,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:50:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 236 transitions. [2024-11-09 04:50:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 04:50:43,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:43,547 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:50:43,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Ended with exit code 0 [2024-11-09 04:50:43,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:50:43,748 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:43,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:43,749 INFO L85 PathProgramCache]: Analyzing trace with hash 528340926, now seen corresponding path program 1 times [2024-11-09 04:50:43,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:43,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504585093] [2024-11-09 04:50:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:50:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:43,751 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:50:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-09 04:50:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:44,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 04:50:44,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:45,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:50:47,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:49,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:50,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:51,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:51,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:52,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:53,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:54,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:54,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:55,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:55,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:50:56,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 04:50:56,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-09 04:50:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 04:50:56,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:50:57,132 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_552 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_553 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_552))) (or (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store .cse0 c_~var_1_17_Pointer~0.base v_ArrVal_553) c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))))))) is different from false [2024-11-09 04:50:57,247 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:57,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504585093] [2024-11-09 04:50:57,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504585093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:50:57,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [379964344] [2024-11-09 04:50:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:57,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:50:57,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:50:57,252 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:50:57,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 04:50:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:58,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 04:50:58,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:00,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:00,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 04:51:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:51:01,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:51:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [379964344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:01,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:51:01,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [22] total 27 [2024-11-09 04:51:01,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917188232] [2024-11-09 04:51:01,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:01,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:51:01,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:51:01,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:51:01,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=772, Unknown=26, NotChecked=60, Total=1056 [2024-11-09 04:51:01,522 INFO L87 Difference]: Start difference. First operand 169 states and 236 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:51:06,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:06,103 INFO L93 Difference]: Finished difference Result 335 states and 469 transitions. [2024-11-09 04:51:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:51:06,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2024-11-09 04:51:06,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:06,106 INFO L225 Difference]: With dead ends: 335 [2024-11-09 04:51:06,106 INFO L226 Difference]: Without dead ends: 169 [2024-11-09 04:51:06,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=208, Invalid=825, Unknown=27, NotChecked=62, Total=1122 [2024-11-09 04:51:06,108 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 87 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:06,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 438 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 04:51:06,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-09 04:51:06,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2024-11-09 04:51:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 131 states have (on average 1.297709923664122) internal successors, (170), 132 states have internal predecessors, (170), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:51:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 232 transitions. [2024-11-09 04:51:06,152 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 232 transitions. Word has length 154 [2024-11-09 04:51:06,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:06,153 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 232 transitions. [2024-11-09 04:51:06,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:51:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 232 transitions. [2024-11-09 04:51:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:51:06,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:06,156 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:51:06,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:51:06,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 04:51:06,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:06,557 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:06,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1718377147, now seen corresponding path program 1 times [2024-11-09 04:51:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:51:06,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251634601] [2024-11-09 04:51:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:06,558 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 04:51:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:51:06,559 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:51:06,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:51:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:07,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 04:51:07,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:07,943 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 04:51:10,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:11,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:12,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:13,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:14,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:51:15,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:15,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:51:16,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:51:17,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:51:17,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:18,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:18,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 04:51:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 04:51:18,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:18,860 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_631 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_631) c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset)))) is different from false [2024-11-09 04:51:19,210 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_630 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_631 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_630))) (or (= ((_ extract 7 0) (select (select (store .cse0 c_~var_1_1_Pointer~0.base v_ArrVal_631) c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset)) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))))))) is different from false [2024-11-09 04:51:19,314 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:51:19,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251634601] [2024-11-09 04:51:19,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251634601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:19,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2042395389] [2024-11-09 04:51:19,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:19,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:19,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:51:19,318 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:51:19,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 04:51:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:21,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 04:51:21,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:23,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-09 04:51:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:51:23,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:51:23,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2042395389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:23,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:51:23,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [22] total 24 [2024-11-09 04:51:23,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748798063] [2024-11-09 04:51:23,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:23,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:51:23,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:51:23,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:51:23,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=583, Unknown=3, NotChecked=106, Total=870 [2024-11-09 04:51:23,107 INFO L87 Difference]: Start difference. First operand 167 states and 232 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:51:26,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:26,823 INFO L93 Difference]: Finished difference Result 356 states and 495 transitions. [2024-11-09 04:51:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:51:26,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-09 04:51:26,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:26,826 INFO L225 Difference]: With dead ends: 356 [2024-11-09 04:51:26,826 INFO L226 Difference]: Without dead ends: 192 [2024-11-09 04:51:26,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=199, Invalid=676, Unknown=3, NotChecked=114, Total=992 [2024-11-09 04:51:26,830 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 203 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:26,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 373 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 04:51:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-09 04:51:26,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 167. [2024-11-09 04:51:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 131 states have (on average 1.2900763358778626) internal successors, (169), 132 states have internal predecessors, (169), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:51:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 231 transitions. [2024-11-09 04:51:26,876 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 231 transitions. Word has length 155 [2024-11-09 04:51:26,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:26,877 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 231 transitions. [2024-11-09 04:51:26,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:51:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 231 transitions. [2024-11-09 04:51:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 04:51:26,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:26,880 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:51:26,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Ended with exit code 0 [2024-11-09 04:51:27,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 04:51:27,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:27,282 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:27,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:27,282 INFO L85 PathProgramCache]: Analyzing trace with hash 630623197, now seen corresponding path program 1 times [2024-11-09 04:51:27,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:51:27,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654015528] [2024-11-09 04:51:27,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:27,283 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 04:51:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:51:27,286 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:51:27,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:51:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:27,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:51:27,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:30,332 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 04:51:30,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-09 04:51:30,785 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 20 treesize of output 18 [2024-11-09 04:51:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-09 04:51:31,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:31,324 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_697 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse0 (store (store |c_#memory_int| c_~var_1_10_Pointer~0.base (store (select |c_#memory_int| c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset (select (select |c_#memory_int| c_~var_1_15_Pointer~0.base) c_~var_1_15_Pointer~0.offset))) c_~var_1_1_Pointer~0.base v_ArrVal_697))) (= (select (select .cse0 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset) (select (select .cse0 c_~var_1_15_Pointer~0.base) c_~var_1_15_Pointer~0.offset)))) is different from false [2024-11-09 04:51:31,399 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:51:31,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654015528] [2024-11-09 04:51:31,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654015528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:31,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1159317509] [2024-11-09 04:51:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:31,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:51:31,403 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:51:31,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 04:51:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:33,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:51:33,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:37,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:51:38,342 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 04:51:38,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-09 04:51:39,006 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 20 treesize of output 18 [2024-11-09 04:51:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-09 04:51:39,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:39,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1159317509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:39,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828620990] [2024-11-09 04:51:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:39,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:51:39,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:51:39,474 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:51:39,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 04:51:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:39,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:51:39,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:44,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:51:44,464 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 04:51:44,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-09 04:51:44,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-11-09 04:51:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 39 proven. 259 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-09 04:51:44,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:45,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828620990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:45,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:51:45,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 16 [2024-11-09 04:51:45,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670209225] [2024-11-09 04:51:45,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:51:45,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 04:51:45,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:51:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 04:51:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=310, Unknown=2, NotChecked=36, Total=420 [2024-11-09 04:51:45,208 INFO L87 Difference]: Start difference. First operand 167 states and 231 transitions. Second operand has 17 states, 17 states have (on average 9.764705882352942) internal successors, (166), 16 states have internal predecessors, (166), 6 states have call successors, (53), 6 states have call predecessors, (53), 7 states have return successors, (53), 6 states have call predecessors, (53), 6 states have call successors, (53) [2024-11-09 04:51:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:52,264 INFO L93 Difference]: Finished difference Result 396 states and 546 transitions. [2024-11-09 04:51:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:51:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.764705882352942) internal successors, (166), 16 states have internal predecessors, (166), 6 states have call successors, (53), 6 states have call predecessors, (53), 7 states have return successors, (53), 6 states have call predecessors, (53), 6 states have call successors, (53) Word has length 155 [2024-11-09 04:51:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:52,268 INFO L225 Difference]: With dead ends: 396 [2024-11-09 04:51:52,269 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 04:51:52,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 519 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=165, Invalid=539, Unknown=2, NotChecked=50, Total=756 [2024-11-09 04:51:52,271 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 690 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:52,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 584 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 04:51:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 04:51:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-09 04:51:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 168 states have (on average 1.3095238095238095) internal successors, (220), 169 states have internal predecessors, (220), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:51:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 282 transitions. [2024-11-09 04:51:52,321 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 282 transitions. Word has length 155 [2024-11-09 04:51:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:52,322 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 282 transitions. [2024-11-09 04:51:52,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.764705882352942) internal successors, (166), 16 states have internal predecessors, (166), 6 states have call successors, (53), 6 states have call predecessors, (53), 7 states have return successors, (53), 6 states have call predecessors, (53), 6 states have call successors, (53) [2024-11-09 04:51:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 282 transitions. [2024-11-09 04:51:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 04:51:52,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:52,325 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:51:52,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 04:51:52,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 04:51:52,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 04:51:52,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:52,926 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:52,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1025740041, now seen corresponding path program 1 times [2024-11-09 04:51:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:51:52,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283909787] [2024-11-09 04:51:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:52,929 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 04:51:52,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:51:52,933 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:51:52,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-09 04:51:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:53,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 04:51:53,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:56,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:51:58,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:51:59,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:00,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:52:01,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:02,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:03,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:03,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:04,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:52:04,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:05,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 04:52:05,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 04:52:06,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-09 04:52:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 04:52:06,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:52:06,903 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_810 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_811 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_810))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store .cse0 c_~var_1_1_Pointer~0.base v_ArrVal_811) c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset)))) (= (_ bv0 8) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset)))))) is different from false [2024-11-09 04:52:06,992 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:52:06,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283909787] [2024-11-09 04:52:06,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283909787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:52:06,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [886646929] [2024-11-09 04:52:06,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:06,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:52:06,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:52:06,994 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:52:06,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 04:52:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:09,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 04:52:09,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:10,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:52:10,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 04:52:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:52:12,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:52:12,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [886646929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:52:12,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:52:12,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [22] total 27 [2024-11-09 04:52:12,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801357992] [2024-11-09 04:52:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:52:12,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:52:12,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:52:12,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:52:12,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=773, Unknown=25, NotChecked=60, Total=1056 [2024-11-09 04:52:12,325 INFO L87 Difference]: Start difference. First operand 204 states and 282 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:52:19,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:52:19,367 INFO L93 Difference]: Finished difference Result 470 states and 653 transitions. [2024-11-09 04:52:19,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:52:19,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2024-11-09 04:52:19,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:52:19,371 INFO L225 Difference]: With dead ends: 470 [2024-11-09 04:52:19,371 INFO L226 Difference]: Without dead ends: 269 [2024-11-09 04:52:19,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 305 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=208, Invalid=827, Unknown=25, NotChecked=62, Total=1122 [2024-11-09 04:52:19,373 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 157 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:52:19,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 476 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-09 04:52:19,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-09 04:52:19,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 222. [2024-11-09 04:52:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 186 states have (on average 1.3118279569892473) internal successors, (244), 187 states have internal predecessors, (244), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:52:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 306 transitions. [2024-11-09 04:52:19,417 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 306 transitions. Word has length 156 [2024-11-09 04:52:19,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:52:19,418 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 306 transitions. [2024-11-09 04:52:19,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:52:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 306 transitions. [2024-11-09 04:52:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:52:19,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:52:19,420 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:19,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-09 04:52:19,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 04:52:19,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:52:19,821 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:52:19,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:52:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1624317285, now seen corresponding path program 1 times [2024-11-09 04:52:19,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:52:19,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151778996] [2024-11-09 04:52:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:19,823 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 04:52:19,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:52:19,825 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:52:19,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-09 04:52:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:20,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:52:20,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:20,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 04:52:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:52:20,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:52:20,561 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:52:20,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151778996] [2024-11-09 04:52:20,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151778996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:52:20,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:52:20,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:52:20,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855856876] [2024-11-09 04:52:20,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:52:20,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:52:20,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:52:20,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:52:20,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:52:20,566 INFO L87 Difference]: Start difference. First operand 222 states and 306 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:52:20,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:52:20,627 INFO L93 Difference]: Finished difference Result 441 states and 609 transitions. [2024-11-09 04:52:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:52:20,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2024-11-09 04:52:20,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:52:20,631 INFO L225 Difference]: With dead ends: 441 [2024-11-09 04:52:20,631 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 04:52:20,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 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 04:52:20,633 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:52:20,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 338 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:52:20,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 04:52:20,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-09 04:52:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 186 states have (on average 1.3064516129032258) internal successors, (243), 187 states have internal predecessors, (243), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 04:52:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 305 transitions. [2024-11-09 04:52:20,685 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 305 transitions. Word has length 157 [2024-11-09 04:52:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:52:20,685 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 305 transitions. [2024-11-09 04:52:20,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:52:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 305 transitions. [2024-11-09 04:52:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:52:20,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:52:20,688 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:20,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-09 04:52:20,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:52:20,889 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:52:20,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:52:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2038692866, now seen corresponding path program 1 times [2024-11-09 04:52:20,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:52:20,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261880093] [2024-11-09 04:52:20,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:20,890 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 04:52:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:52:20,894 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -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 04:52:20,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-09 04:52:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:21,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 04:52:21,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:26,100 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 04:52:26,739 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 04:52:27,317 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 04:52:27,788 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 04:52:28,110 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 04:52:28,718 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 24 treesize of output 22 [2024-11-09 04:52:28,993 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 24 treesize of output 22 [2024-11-09 04:52:29,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-09 04:52:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 04:52:29,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:52:31,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:52:31,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261880093] [2024-11-09 04:52:31,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261880093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:52:31,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [120615885] [2024-11-09 04:52:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:52:31,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:52:31,850 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:52:31,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 04:52:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:52:34,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 04:52:34,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:52:45,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:52:47,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:52:49,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 04:52:52,231 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 23 treesize of output 21 [2024-11-09 04:52:53,725 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 23 treesize of output 21 [2024-11-09 04:52:55,980 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 44 [2024-11-09 04:52:56,720 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 44 [2024-11-09 04:52:57,608 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 55 treesize of output 23 [2024-11-09 04:52:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 2 proven. 522 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-09 04:52:57,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:52:59,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [120615885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:52:59,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492791478] [2024-11-09 04:52:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:59,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:52:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:52:59,544 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:52:59,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 04:53:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:53:00,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 04:53:00,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:53:07,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:53:09,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 04:53:11,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 04:53:13,622 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 23 treesize of output 21 [2024-11-09 04:53:14,567 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 23 treesize of output 21 [2024-11-09 04:53:16,553 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 38 treesize of output 32 [2024-11-09 04:53:17,168 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 38 treesize of output 32 [2024-11-09 04:53:17,996 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 44 treesize of output 20 [2024-11-09 04:53:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 1 proven. 519 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 04:53:18,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:53:19,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492791478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:53:19,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:53:19,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 23, 23] total 57 [2024-11-09 04:53:19,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373945788] [2024-11-09 04:53:19,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:53:19,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-09 04:53:19,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:53:19,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-09 04:53:19,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=4021, Unknown=7, NotChecked=0, Total=4556 [2024-11-09 04:53:19,903 INFO L87 Difference]: Start difference. First operand 222 states and 305 transitions. Second operand has 58 states, 54 states have (on average 4.203703703703703) internal successors, (227), 51 states have internal predecessors, (227), 20 states have call successors, (57), 20 states have call predecessors, (57), 20 states have return successors, (57), 18 states have call predecessors, (57), 20 states have call successors, (57) [2024-11-09 04:54:02,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:54:02,054 INFO L93 Difference]: Finished difference Result 865 states and 1168 transitions. [2024-11-09 04:54:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-09 04:54:02,056 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 54 states have (on average 4.203703703703703) internal successors, (227), 51 states have internal predecessors, (227), 20 states have call successors, (57), 20 states have call predecessors, (57), 20 states have return successors, (57), 18 states have call predecessors, (57), 20 states have call successors, (57) Word has length 157 [2024-11-09 04:54:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:54:02,060 INFO L225 Difference]: With dead ends: 865 [2024-11-09 04:54:02,060 INFO L226 Difference]: Without dead ends: 646 [2024-11-09 04:54:02,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 481 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3620 ImplicationChecksByTransitivity, 26.6s TimeCoverageRelationStatistics Valid=1502, Invalid=8793, Unknown=7, NotChecked=0, Total=10302 [2024-11-09 04:54:02,066 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 2147 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 4542 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 2187 SdHoareTripleChecker+Invalid, 4760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 4542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:54:02,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 2187 Invalid, 4760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [218 Valid, 4542 Invalid, 0 Unknown, 0 Unchecked, 31.2s Time] [2024-11-09 04:54:02,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-11-09 04:54:02,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 355. [2024-11-09 04:54:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 290 states have (on average 1.2862068965517242) internal successors, (373), 293 states have internal predecessors, (373), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 50 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 04:54:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 479 transitions. [2024-11-09 04:54:02,166 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 479 transitions. Word has length 157 [2024-11-09 04:54:02,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:54:02,166 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 479 transitions. [2024-11-09 04:54:02,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 54 states have (on average 4.203703703703703) internal successors, (227), 51 states have internal predecessors, (227), 20 states have call successors, (57), 20 states have call predecessors, (57), 20 states have return successors, (57), 18 states have call predecessors, (57), 20 states have call successors, (57) [2024-11-09 04:54:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 479 transitions. [2024-11-09 04:54:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:54:02,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:02,169 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:54:02,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 04:54:02,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 04:54:02,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-09 04:54:02,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:54:02,770 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:54:02,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1998108992, now seen corresponding path program 1 times [2024-11-09 04:54:02,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:54:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308620457] [2024-11-09 04:54:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:02,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:54:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:54:02,774 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:54:02,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-09 04:54:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:03,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 04:54:03,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:12,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:54:14,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 04:54:16,942 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 23 treesize of output 21 [2024-11-09 04:54:18,937 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 30 treesize of output 31 [2024-11-09 04:54:20,116 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 30 treesize of output 31 [2024-11-09 04:54:22,076 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 44 [2024-11-09 04:54:22,669 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 44 [2024-11-09 04:54:23,232 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 55 treesize of output 23 [2024-11-09 04:54:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 3 proven. 525 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 04:54:23,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:25,759 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:54:25,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308620457] [2024-11-09 04:54:25,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308620457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:25,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [903687087] [2024-11-09 04:54:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:25,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:54:25,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:54:25,761 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:54:25,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 04:54:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:27,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 04:54:27,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:35,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:54:36,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:54:37,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:54:38,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:54:39,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:54:40,416 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 20 treesize of output 18 [2024-11-09 04:54:40,897 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 20 treesize of output 18 [2024-11-09 04:54:41,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2024-11-09 04:54:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 04:54:41,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:54:41,334 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1066 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_1066))) (bvugt (select (select .cse0 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset) (select (select .cse0 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset)))) is different from false [2024-11-09 04:54:42,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [903687087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:54:42,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180767198] [2024-11-09 04:54:42,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:42,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:54:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:42,605 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:54:42,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 04:54:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:54:43,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 04:54:43,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:54:48,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-11-09 04:54:48,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-11-09 04:54:49,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-09 04:54:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:54:49,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:54:49,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180767198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:54:49,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:54:49,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [26, 12] total 43 [2024-11-09 04:54:49,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290802685] [2024-11-09 04:54:49,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:54:49,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 04:54:49,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:54:49,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 04:54:49,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=2392, Unknown=67, NotChecked=102, Total=2862 [2024-11-09 04:54:49,557 INFO L87 Difference]: Start difference. First operand 355 states and 479 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:54:56,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:55:00,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:00,381 INFO L93 Difference]: Finished difference Result 824 states and 1120 transitions. [2024-11-09 04:55:00,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:55:00,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2024-11-09 04:55:00,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:00,386 INFO L225 Difference]: With dead ends: 824 [2024-11-09 04:55:00,386 INFO L226 Difference]: Without dead ends: 569 [2024-11-09 04:55:00,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 471 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=361, Invalid=2882, Unknown=67, NotChecked=112, Total=3422 [2024-11-09 04:55:00,389 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 221 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:00,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 662 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 04:55:00,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-09 04:55:00,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 426. [2024-11-09 04:55:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 361 states have (on average 1.299168975069252) internal successors, (469), 363 states have internal predecessors, (469), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 04:55:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 575 transitions. [2024-11-09 04:55:00,511 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 575 transitions. Word has length 157 [2024-11-09 04:55:00,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:00,512 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 575 transitions. [2024-11-09 04:55:00,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:55:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 575 transitions. [2024-11-09 04:55:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:55:00,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:00,515 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:55:00,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-09 04:55:00,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:00,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-09 04:55:01,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:01,116 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:01,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:01,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1684146772, now seen corresponding path program 1 times [2024-11-09 04:55:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:55:01,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564116542] [2024-11-09 04:55:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:01,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:55:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:55:01,120 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:55:01,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-09 04:55:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:02,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 04:55:02,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:05,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:07,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:08,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:09,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:10,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:11,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:12,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:13,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:14,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:14,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:15,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 04:55:16,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 04:55:16,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-09 04:55:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 04:55:16,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:16,647 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1145 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_1145) c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))))) is different from false [2024-11-09 04:55:17,221 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1144 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1145 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1143 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_1143))) (or (= ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset)) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store .cse0 c_~var_1_17_Pointer~0.base v_ArrVal_1144) c_~var_1_1_Pointer~0.base v_ArrVal_1145) c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))))))) is different from false [2024-11-09 04:55:17,348 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:55:17,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564116542] [2024-11-09 04:55:17,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564116542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:17,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [997365805] [2024-11-09 04:55:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:17,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:17,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:55:17,353 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:55:17,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 04:55:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:19,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:55:19,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:22,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:22,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-09 04:55:22,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-09 04:55:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 04:55:23,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:55:23,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [997365805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:23,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:55:23,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [23] total 29 [2024-11-09 04:55:23,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475633522] [2024-11-09 04:55:23,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:23,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:55:23,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:55:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:55:23,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=888, Unknown=29, NotChecked=130, Total=1260 [2024-11-09 04:55:23,847 INFO L87 Difference]: Start difference. First operand 426 states and 575 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:55:27,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:27,664 INFO L93 Difference]: Finished difference Result 717 states and 973 transitions. [2024-11-09 04:55:27,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:55:27,665 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2024-11-09 04:55:27,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:27,669 INFO L225 Difference]: With dead ends: 717 [2024-11-09 04:55:27,669 INFO L226 Difference]: Without dead ends: 462 [2024-11-09 04:55:27,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 305 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=224, Invalid=944, Unknown=30, NotChecked=134, Total=1332 [2024-11-09 04:55:27,671 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 197 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:27,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 420 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 04:55:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-09 04:55:27,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 408. [2024-11-09 04:55:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 343 states have (on average 1.2915451895043732) internal successors, (443), 345 states have internal predecessors, (443), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 04:55:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 549 transitions. [2024-11-09 04:55:27,789 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 549 transitions. Word has length 157 [2024-11-09 04:55:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:27,790 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 549 transitions. [2024-11-09 04:55:27,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 04:55:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 549 transitions. [2024-11-09 04:55:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:55:27,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:27,792 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:55:27,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-09 04:55:28,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:28,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:55:28,193 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:28,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:28,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1642331192, now seen corresponding path program 1 times [2024-11-09 04:55:28,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:55:28,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641971493] [2024-11-09 04:55:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:28,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:55:28,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:55:28,196 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:55:28,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-09 04:55:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:28,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 04:55:28,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:33,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:55:34,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:55:35,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:55:35,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:55:36,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:55:36,974 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 25 treesize of output 23 [2024-11-09 04:55:37,299 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 25 treesize of output 23 [2024-11-09 04:55:37,683 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 31 treesize of output 15 [2024-11-09 04:55:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 04:55:37,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:38,108 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1218 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (bvneg c_~last_1_var_1_17~0) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_1218))) (bvadd (bvneg (select (select .cse0 c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset)) (select (select .cse0 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset)))))) is different from false [2024-11-09 04:55:39,516 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:55:39,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641971493] [2024-11-09 04:55:39,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641971493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:39,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [145604969] [2024-11-09 04:55:39,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:39,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:39,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:55:39,518 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:55:39,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 04:55:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:42,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 04:55:42,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:50,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:55:52,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 04:55:54,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 04:55:56,140 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 23 treesize of output 21 [2024-11-09 04:55:57,200 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 23 treesize of output 21 [2024-11-09 04:55:59,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2024-11-09 04:56:00,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2024-11-09 04:56:00,873 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 45 treesize of output 21 [2024-11-09 04:56:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 1 proven. 519 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 04:56:01,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:01,167 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1256 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (bvneg c_~last_1_var_1_17~0) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_1256))) (bvadd (select (select .cse0 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset) (bvneg (select (select .cse0 c_~var_1_13_Pointer~0.base) c_~var_1_13_Pointer~0.offset))))))) is different from false [2024-11-09 04:56:02,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [145604969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:02,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059169498] [2024-11-09 04:56:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:02,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:56:02,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:56:02,101 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:56:02,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 04:56:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:02,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 04:56:02,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:11,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:56:14,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 04:56:16,873 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 23 treesize of output 21 [2024-11-09 04:56:17,989 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 23 treesize of output 21 [2024-11-09 04:56:20,567 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 39 treesize of output 38 [2024-11-09 04:56:21,248 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 39 treesize of output 38 [2024-11-09 04:56:22,636 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 56 treesize of output 24 [2024-11-09 04:56:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 2 proven. 450 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-09 04:56:22,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:30,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059169498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:30,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:56:30,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24, 24] total 61 [2024-11-09 04:56:30,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233657224] [2024-11-09 04:56:30,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:56:30,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-09 04:56:30,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:56:30,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-09 04:56:30,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=626, Invalid=5312, Unknown=76, NotChecked=306, Total=6320 [2024-11-09 04:56:30,031 INFO L87 Difference]: Start difference. First operand 408 states and 549 transitions. Second operand has 62 states, 58 states have (on average 3.9482758620689653) internal successors, (229), 55 states have internal predecessors, (229), 19 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (57), 17 states have call predecessors, (57), 19 states have call successors, (57) [2024-11-09 04:56:53,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:01,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:57:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:29,484 INFO L93 Difference]: Finished difference Result 895 states and 1210 transitions. [2024-11-09 04:57:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-09 04:57:29,485 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 58 states have (on average 3.9482758620689653) internal successors, (229), 55 states have internal predecessors, (229), 19 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (57), 17 states have call predecessors, (57), 19 states have call successors, (57) Word has length 157 [2024-11-09 04:57:29,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:29,490 INFO L225 Difference]: With dead ends: 895 [2024-11-09 04:57:29,490 INFO L226 Difference]: Without dead ends: 658 [2024-11-09 04:57:29,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 473 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4308 ImplicationChecksByTransitivity, 32.4s TimeCoverageRelationStatistics Valid=1705, Invalid=10883, Unknown=76, NotChecked=446, Total=13110 [2024-11-09 04:57:29,495 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 1848 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 6402 mSolverCounterSat, 263 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 3193 SdHoareTripleChecker+Invalid, 6670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 6402 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:29,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 3193 Invalid, 6670 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [263 Valid, 6402 Invalid, 5 Unknown, 0 Unchecked, 47.4s Time] [2024-11-09 04:57:29,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-09 04:57:29,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 444. [2024-11-09 04:57:29,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 379 states have (on average 1.2981530343007917) internal successors, (492), 381 states have internal predecessors, (492), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 04:57:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 598 transitions. [2024-11-09 04:57:29,619 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 598 transitions. Word has length 157 [2024-11-09 04:57:29,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:29,620 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 598 transitions. [2024-11-09 04:57:29,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 58 states have (on average 3.9482758620689653) internal successors, (229), 55 states have internal predecessors, (229), 19 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (57), 17 states have call predecessors, (57), 19 states have call successors, (57) [2024-11-09 04:57:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 598 transitions. [2024-11-09 04:57:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:57:29,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:29,623 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:29,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-09 04:57:29,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:30,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-09 04:57:30,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:30,224 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:30,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:30,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2115725820, now seen corresponding path program 1 times [2024-11-09 04:57:30,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:30,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705253211] [2024-11-09 04:57:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:30,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:57:30,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:30,227 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:57:30,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-09 04:57:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:31,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 04:57:31,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:40,217 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 04:57:42,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 04:57:44,318 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 23 treesize of output 21 [2024-11-09 04:57:46,254 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 30 treesize of output 31 [2024-11-09 04:57:47,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2024-11-09 04:57:49,325 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 50 treesize of output 45 [2024-11-09 04:57:49,872 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 50 treesize of output 45 [2024-11-09 04:57:50,278 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 56 treesize of output 24 [2024-11-09 04:57:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 3 proven. 525 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 04:57:50,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:52,503 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:57:52,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705253211] [2024-11-09 04:57:52,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705253211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:52,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [441553408] [2024-11-09 04:57:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:52,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:57:52,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:57:52,508 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:57:52,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 04:57:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:54,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 04:57:54,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:01,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:58:02,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:58:03,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:58:04,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:58:05,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:58:06,856 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 21 treesize of output 19 [2024-11-09 04:58:07,334 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 21 treesize of output 19 [2024-11-09 04:58:07,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-09 04:58:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 04:58:07,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:08,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [441553408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:08,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935505508] [2024-11-09 04:58:08,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:08,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:58:08,992 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:58:08,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 04:58:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:09,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 04:58:09,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:18,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:58:20,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 04:58:23,421 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 23 treesize of output 21 [2024-11-09 04:58:24,541 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 23 treesize of output 21 [2024-11-09 04:58:27,001 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 50 treesize of output 45 [2024-11-09 04:58:27,662 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 50 treesize of output 45 [2024-11-09 04:58:28,146 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 56 treesize of output 24 [2024-11-09 04:58:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 2 proven. 450 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-09 04:58:28,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:29,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935505508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:29,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:58:29,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 12, 21] total 56 [2024-11-09 04:58:29,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987003293] [2024-11-09 04:58:29,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:58:29,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-09 04:58:29,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:58:29,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-09 04:58:29,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=3996, Unknown=4, NotChecked=0, Total=4422 [2024-11-09 04:58:29,583 INFO L87 Difference]: Start difference. First operand 444 states and 598 transitions. Second operand has 57 states, 52 states have (on average 4.3076923076923075) internal successors, (224), 50 states have internal predecessors, (224), 20 states have call successors, (57), 19 states have call predecessors, (57), 20 states have return successors, (57), 17 states have call predecessors, (57), 20 states have call successors, (57) [2024-11-09 04:58:52,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 04:59:26,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:26,593 INFO L93 Difference]: Finished difference Result 998 states and 1347 transitions. [2024-11-09 04:59:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 04:59:26,595 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 52 states have (on average 4.3076923076923075) internal successors, (224), 50 states have internal predecessors, (224), 20 states have call successors, (57), 19 states have call predecessors, (57), 20 states have return successors, (57), 17 states have call predecessors, (57), 20 states have call successors, (57) Word has length 157 [2024-11-09 04:59:26,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:26,599 INFO L225 Difference]: With dead ends: 998 [2024-11-09 04:59:26,599 INFO L226 Difference]: Without dead ends: 725 [2024-11-09 04:59:26,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 484 SyntacticMatches, 3 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2672 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=1389, Invalid=8507, Unknown=4, NotChecked=0, Total=9900 [2024-11-09 04:59:26,603 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 1998 mSDsluCounter, 2616 mSDsCounter, 0 mSdLazyCounter, 5670 mSolverCounterSat, 231 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 5902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 5670 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:26,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 2725 Invalid, 5902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [231 Valid, 5670 Invalid, 1 Unknown, 0 Unchecked, 45.5s Time] [2024-11-09 04:59:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-09 04:59:26,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 480. [2024-11-09 04:59:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 415 states have (on average 1.306024096385542) internal successors, (542), 417 states have internal predecessors, (542), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 04:59:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 648 transitions. [2024-11-09 04:59:26,747 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 648 transitions. Word has length 157 [2024-11-09 04:59:26,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:26,747 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 648 transitions. [2024-11-09 04:59:26,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 52 states have (on average 4.3076923076923075) internal successors, (224), 50 states have internal predecessors, (224), 20 states have call successors, (57), 19 states have call predecessors, (57), 20 states have return successors, (57), 17 states have call predecessors, (57), 20 states have call successors, (57) [2024-11-09 04:59:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 648 transitions. [2024-11-09 04:59:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 04:59:26,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:26,750 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:26,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-11-09 04:59:26,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 04:59:27,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-09 04:59:27,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:27,351 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:59:27,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1857560382, now seen corresponding path program 1 times [2024-11-09 04:59:27,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:59:27,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183701011] [2024-11-09 04:59:27,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:27,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:59:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:59:27,354 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:59:27,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-09 04:59:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:28,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 04:59:28,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:32,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:59:32,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:59:33,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:59:33,708 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 24 treesize of output 22 [2024-11-09 04:59:33,989 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 24 treesize of output 22 [2024-11-09 04:59:34,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-09 04:59:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-09 04:59:34,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:36,340 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:59:36,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183701011] [2024-11-09 04:59:36,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183701011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:36,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1270023811] [2024-11-09 04:59:36,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:36,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:59:36,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:59:36,343 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:59:36,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 04:59:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:39,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 04:59:39,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:47,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 04:59:49,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 04:59:51,788 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 23 treesize of output 21 [2024-11-09 04:59:52,826 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 23 treesize of output 21 [2024-11-09 04:59:54,795 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 38 treesize of output 32 [2024-11-09 04:59:55,423 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 38 treesize of output 32 [2024-11-09 04:59:56,159 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 44 treesize of output 20 [2024-11-09 04:59:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 2 proven. 450 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-09 04:59:56,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:57,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1270023811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300146163] [2024-11-09 04:59:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:57,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:57,712 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:59:57,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d50432a-4a22-48d3-87b3-b60b20171a78/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 04:59:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:58,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 04:59:58,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:06,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:00:08,240 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 23 treesize of output 11 [2024-11-09 05:00:10,184 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 23 treesize of output 21 [2024-11-09 05:00:11,089 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 23 treesize of output 21 [2024-11-09 05:00:12,792 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 38 treesize of output 32 [2024-11-09 05:00:13,346 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 38 treesize of output 32 [2024-11-09 05:00:14,059 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 44 treesize of output 20 [2024-11-09 05:00:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 2 proven. 450 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-09 05:00:14,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:15,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300146163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:15,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:00:15,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 22, 22] total 53 [2024-11-09 05:00:15,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165001496] [2024-11-09 05:00:15,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:00:15,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-09 05:00:15,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:00:15,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-09 05:00:15,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=3330, Unknown=6, NotChecked=0, Total=3782 [2024-11-09 05:00:15,045 INFO L87 Difference]: Start difference. First operand 480 states and 648 transitions. Second operand has 54 states, 50 states have (on average 4.3) internal successors, (215), 47 states have internal predecessors, (215), 16 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 14 states have call predecessors, (57), 16 states have call successors, (57)