./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.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_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/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_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/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_d6304887-f252-48a5-ac36-b62cd1bf58fd/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 da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:29:04,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:29:04,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:29:04,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:29:04,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:29:04,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:29:04,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:29:04,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:29:04,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:29:04,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:29:04,709 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:29:04,710 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:29:04,710 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:29:04,710 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:29:04,711 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:29:04,711 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:29:04,711 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:29:04,715 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:29:04,715 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:29:04,716 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:29:04,716 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:29:04,717 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:29:04,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:29:04,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:29:04,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:29:04,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:29:04,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:29:04,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:29:04,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:29:04,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:29:04,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:29:04,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:29:04,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:29:04,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:29:04,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:29:04,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:29:04,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:29:04,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:29:04,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:04,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:29:04,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:29:04,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:29:04,742 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:29:04,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:29:04,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:29:04,743 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:29:04,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:29:04,743 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_d6304887-f252-48a5-ac36-b62cd1bf58fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e [2024-11-09 06:29:05,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:29:05,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:29:05,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:29:05,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:29:05,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:29:05,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i Unable to find full path for "g++" [2024-11-09 06:29:07,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:29:07,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:29:07,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2024-11-09 06:29:07,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data/f888cef0b/52fb00fe270741319d9301ebb0f752f9/FLAGd7dca1de2 [2024-11-09 06:29:07,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data/f888cef0b/52fb00fe270741319d9301ebb0f752f9 [2024-11-09 06:29:07,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:29:07,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:29:07,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:07,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:29:07,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:29:07,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5af4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07, skipping insertion in model container [2024-11-09 06:29:07,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:29:07,728 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_d6304887-f252-48a5-ac36-b62cd1bf58fd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-11-09 06:29:07,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:07,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:29:07,826 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_d6304887-f252-48a5-ac36-b62cd1bf58fd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-11-09 06:29:07,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:07,905 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:29:07,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07 WrapperNode [2024-11-09 06:29:07,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:07,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:07,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:29:07,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:29:07,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,980 INFO L138 Inliner]: procedures = 29, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 517 [2024-11-09 06:29:07,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:07,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:29:07,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:29:07,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:29:07,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:07,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:08,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:08,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:08,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:08,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:08,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:29:08,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:29:08,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:29:08,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:29:08,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (1/1) ... [2024-11-09 06:29:08,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:08,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:08,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:29:08,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:29:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:29:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:29:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:29:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:29:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:29:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:29:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:29:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:29:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:29:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:29:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:29:08,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:29:08,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:29:08,927 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-09 06:29:08,927 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:29:09,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:29:09,519 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:29:09,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:09 BoogieIcfgContainer [2024-11-09 06:29:09,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:29:09,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:29:09,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:29:09,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:29:09,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:29:07" (1/3) ... [2024-11-09 06:29:09,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d60c915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:09, skipping insertion in model container [2024-11-09 06:29:09,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:07" (2/3) ... [2024-11-09 06:29:09,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d60c915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:09, skipping insertion in model container [2024-11-09 06:29:09,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:09" (3/3) ... [2024-11-09 06:29:09,534 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-68.i [2024-11-09 06:29:09,556 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:29:09,556 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:29:09,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:29:09,650 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;@3aa1c961, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:29:09,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:29:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:09,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 06:29:09,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:09,668 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:09,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:09,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1086661257, now seen corresponding path program 1 times [2024-11-09 06:29:09,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:29:09,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622942281] [2024-11-09 06:29:09,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:09,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:29:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:29:12,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811404560] [2024-11-09 06:29:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:12,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:29:12,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:12,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:29:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:29:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:29:14,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:29:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:29:15,338 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:29:15,340 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:29:15,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:29:15,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:29:15,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:29:15,548 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:29:15,678 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:29:15,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:29:15 BoogieIcfgContainer [2024-11-09 06:29:15,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:29:15,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:29:15,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:29:15,685 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:29:15,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:09" (3/4) ... [2024-11-09 06:29:15,690 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:29:15,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:29:15,693 INFO L158 Benchmark]: Toolchain (without parser) took 8191.83ms. Allocated memory was 148.9MB in the beginning and 274.7MB in the end (delta: 125.8MB). Free memory was 106.8MB in the beginning and 186.2MB in the end (delta: -79.4MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-09 06:29:15,694 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:15,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.95ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 89.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:29:15,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.78ms. Allocated memory is still 148.9MB. Free memory was 89.1MB in the beginning and 85.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:29:15,697 INFO L158 Benchmark]: Boogie Preprocessor took 63.88ms. Allocated memory is still 148.9MB. Free memory was 85.4MB in the beginning and 81.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:29:15,699 INFO L158 Benchmark]: RCFGBuilder took 1470.49ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 81.8MB in the beginning and 110.4MB in the end (delta: -28.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-09 06:29:15,699 INFO L158 Benchmark]: TraceAbstraction took 6159.98ms. Allocated memory was 211.8MB in the beginning and 274.7MB in the end (delta: 62.9MB). Free memory was 109.4MB in the beginning and 186.2MB in the end (delta: -76.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:15,703 INFO L158 Benchmark]: Witness Printer took 7.09ms. Allocated memory is still 274.7MB. Free memory is still 186.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:29:15,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.95ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 89.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.78ms. Allocated memory is still 148.9MB. Free memory was 89.1MB in the beginning and 85.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.88ms. Allocated memory is still 148.9MB. Free memory was 85.4MB in the beginning and 81.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1470.49ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 81.8MB in the beginning and 110.4MB in the end (delta: -28.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6159.98ms. Allocated memory was 211.8MB in the beginning and 274.7MB in the end (delta: 62.9MB). Free memory was 109.4MB in the beginning and 186.2MB in the end (delta: -76.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.09ms. Allocated memory is still 274.7MB. Free memory is still 186.2MB. 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 64, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[3] = { 999.8, 25.5, 9999999999999.729 }; [L28-L30] float float_Array_0[3] = { 32.375, 16.8, 64.5 }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 0, 8 }; [L40] signed long int last_1_signed_long_int_Array_0_0__1_ = 5; [L41] signed short int last_1_signed_short_int_Array_0_0__0_ = -25; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L104] EXPR signed_long_int_Array_0[0][1] [L104] last_1_signed_long_int_Array_0_0__1_ = signed_long_int_Array_0[0][1] [L105] EXPR signed_short_int_Array_0[0][0] [L105] last_1_signed_short_int_Array_0_0__0_ = signed_short_int_Array_0[0][0] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] double_Array_0[0] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L79] EXPR double_Array_0[0] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L79] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] double_Array_0[2] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[2] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L81] EXPR double_Array_0[2] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L81] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] float_Array_0[1] = __VERIFIER_nondet_float() [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L83] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] float_Array_0[2] = __VERIFIER_nondet_float() [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L85] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F [L85] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] signed_short_int_Array_0[1][0] = __VERIFIER_nondet_short() [L91] EXPR signed_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[1][0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_short_int_Array_0[1][0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR signed_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[1][0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_short_int_Array_0[1][0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] signed_short_int_Array_0[0][1] = __VERIFIER_nondet_short() [L94] EXPR signed_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[0][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(signed_short_int_Array_0[0][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] EXPR signed_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[0][1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(signed_short_int_Array_0[0][1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] signed_short_int_Array_0[1][1] = __VERIFIER_nondet_short() [L97] EXPR signed_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L97] CALL assume_abort_if_not(signed_short_int_Array_0[1][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(signed_short_int_Array_0[1][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] EXPR signed_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] CALL assume_abort_if_not(signed_short_int_Array_0[1][1] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(signed_short_int_Array_0[1][1] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L116] RET updateVariables() [L117] CALL step() [L45] EXPR signed_long_int_Array_0[0][0] [L45] signed long int stepLocal_2 = signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_; [L46] BOOL_unsigned_char_Array_0[0] [L46] COND TRUE BOOL_unsigned_char_Array_0[0] [L47] COND TRUE last_1_signed_short_int_Array_0_0__0_ <= stepLocal_2 [L48] EXPR signed_short_int_Array_0[0][1] [L48] EXPR signed_short_int_Array_0[1][1] [L48] EXPR signed_short_int_Array_0[1][0] [L48] signed_short_int_Array_0[0][0] = ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]) [L55] EXPR signed_short_int_Array_0[0][0] [L55] EXPR signed_short_int_Array_0[0][1] [L55] signed_long_int_Array_0[0][1] = (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]) [L56] EXPR unsigned_long_int_Array_0[1] [L56] unsigned_long_int_Array_0[0] = unsigned_long_int_Array_0[1] [L57] EXPR double_Array_0[0] [L57] float_Array_0[0] = double_Array_0[0] [L58] EXPR signed_long_int_Array_0[0][1] [L58] signed_long_int_Array_0[1][0] = signed_long_int_Array_0[0][1] [L59] EXPR signed_long_int_Array_0[0][1] [L59] signed long int stepLocal_1 = signed_long_int_Array_0[0][1]; [L60] EXPR signed_long_int_Array_0[1][0] [L60] COND FALSE !(stepLocal_1 != signed_long_int_Array_0[1][0]) [L63] EXPR unsigned_long_int_Array_0[0] [L63] EXPR signed_long_int_Array_0[1][0] [L63] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]; [L64] EXPR float_Array_0[2] [L64] EXPR float_Array_0[1] [L64] EXPR double_Array_0[1] [L64] COND FALSE !((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) [L69] BOOL_unsigned_char_Array_0[0] [L69] COND TRUE BOOL_unsigned_char_Array_0[0] [L70] EXPR signed_long_int_Array_0[1][0] [L70] EXPR unsigned_long_int_Array_0[0] [L70] EXPR ((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]) [L70] EXPR signed_long_int_Array_0[1][0] [L70] EXPR ((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]) [L70] signed_long_int_Array_0[1][1] = ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR float_Array_0[2] [L108] EXPR float_Array_0[1] [L108] EXPR double_Array_0[1] [L108] EXPR ((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1) [L108] EXPR unsigned_long_int_Array_0[0] [L108] EXPR signed_long_int_Array_0[1][0] [L108] EXPR signed_short_int_Array_0[0][0] [L108] EXPR signed_long_int_Array_0[0][0] [L108] EXPR ((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1 [L108] EXPR signed_long_int_Array_0[1][1] [L108] EXPR signed_long_int_Array_0[1][0] [L108] EXPR ((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]) [L108] EXPR signed_long_int_Array_0[1][0] [L108] EXPR ((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]) [L108] EXPR ((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1 [L108] EXPR ((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1) [L108] EXPR (((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1) [L108] EXPR ((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) [L108] EXPR (((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]))) [L108] EXPR ((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1])) [L108] EXPR (((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0])) [L108] EXPR ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) [L108-L109] return ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:29:15,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/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_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/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_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/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_d6304887-f252-48a5-ac36-b62cd1bf58fd/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 da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:29:18,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:29:18,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:29:18,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:29:18,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:29:18,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:29:18,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:29:18,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:29:18,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:29:18,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:29:18,458 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:29:18,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:29:18,458 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:29:18,459 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:29:18,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:29:18,459 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:29:18,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:29:18,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:29:18,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:29:18,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:29:18,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:29:18,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:29:18,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:29:18,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:29:18,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:29:18,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:29:18,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:29:18,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:29:18,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:29:18,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:29:18,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:29:18,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:29:18,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:29:18,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:29:18,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:29:18,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:18,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:29:18,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:29:18,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:29:18,468 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:29:18,469 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:29:18,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:29:18,473 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:29:18,474 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_d6304887-f252-48a5-ac36-b62cd1bf58fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e [2024-11-09 06:29:18,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:29:18,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:29:18,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:29:18,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:29:18,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:29:18,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i Unable to find full path for "g++" [2024-11-09 06:29:21,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:29:21,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:29:21,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2024-11-09 06:29:21,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data/12fa8effc/451d68151a0546d4895adfc8cc63d16d/FLAGa00d591dd [2024-11-09 06:29:21,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/data/12fa8effc/451d68151a0546d4895adfc8cc63d16d [2024-11-09 06:29:21,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:29:21,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:29:21,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:21,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:29:21,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:29:21,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:21" (1/1) ... [2024-11-09 06:29:21,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67123dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:21, skipping insertion in model container [2024-11-09 06:29:21,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:29:21" (1/1) ... [2024-11-09 06:29:21,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:29:21,741 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_d6304887-f252-48a5-ac36-b62cd1bf58fd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-11-09 06:29:21,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:21,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:29:21,939 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_d6304887-f252-48a5-ac36-b62cd1bf58fd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-11-09 06:29:22,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:29:22,095 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:29:22,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22 WrapperNode [2024-11-09 06:29:22,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:29:22,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:22,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:29:22,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:29:22,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,199 INFO L138 Inliner]: procedures = 39, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-11-09 06:29:22,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:29:22,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:29:22,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:29:22,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:29:22,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:29:22,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:29:22,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:29:22,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:29:22,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (1/1) ... [2024-11-09 06:29:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:29:22,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:29:22,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:29:22,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:29:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:29:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:29:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:29:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:29:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 06:29:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:29:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 06:29:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 06:29:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:29:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:29:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:29:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 06:29:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 06:29:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:29:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:29:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:29:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:29:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:29:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:29:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:29:22,534 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:29:22,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:29:25,058 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-09 06:29:25,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:29:25,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:29:25,087 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:29:25,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:25 BoogieIcfgContainer [2024-11-09 06:29:25,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:29:25,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:29:25,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:29:25,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:29:25,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:29:21" (1/3) ... [2024-11-09 06:29:25,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4242dc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:25, skipping insertion in model container [2024-11-09 06:29:25,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:29:22" (2/3) ... [2024-11-09 06:29:25,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4242dc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:29:25, skipping insertion in model container [2024-11-09 06:29:25,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:29:25" (3/3) ... [2024-11-09 06:29:25,102 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-68.i [2024-11-09 06:29:25,127 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:29:25,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:29:25,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:29:25,233 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;@560f9f05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:29:25,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:29:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 06:29:25,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:25,262 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:25,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:25,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1787828356, now seen corresponding path program 1 times [2024-11-09 06:29:25,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:25,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420404917] [2024-11-09 06:29:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:25,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:25,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:25,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:29:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:26,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:29:26,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-09 06:29:26,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:26,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:26,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420404917] [2024-11-09 06:29:26,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420404917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:26,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:26,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:29:26,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103338697] [2024-11-09 06:29:26,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:26,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:29:26,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:26,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:29:26,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:29:26,199 INFO L87 Difference]: Start difference. First operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:26,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:26,239 INFO L93 Difference]: Finished difference Result 221 states and 345 transitions. [2024-11-09 06:29:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:29:26,242 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-09 06:29:26,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:26,251 INFO L225 Difference]: With dead ends: 221 [2024-11-09 06:29:26,251 INFO L226 Difference]: Without dead ends: 110 [2024-11-09 06:29:26,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:29:26,258 INFO L432 NwaCegarLoop]: 160 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, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:26,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:29:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-09 06:29:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-09 06:29:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 160 transitions. [2024-11-09 06:29:26,310 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 160 transitions. Word has length 146 [2024-11-09 06:29:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:26,311 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 160 transitions. [2024-11-09 06:29:26,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2024-11-09 06:29:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 06:29:26,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:26,315 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:26,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:29:26,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:26,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:26,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:26,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1487051670, now seen corresponding path program 1 times [2024-11-09 06:29:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:26,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897363860] [2024-11-09 06:29:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:26,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:26,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:26,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:26,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:29:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:27,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:29:27,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 06:29:27,194 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:27,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:27,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897363860] [2024-11-09 06:29:27,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897363860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:27,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:27,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:29:27,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360031468] [2024-11-09 06:29:27,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:27,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:29:27,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:27,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:29:27,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:29:27,200 INFO L87 Difference]: Start difference. First operand 110 states and 160 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:27,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:27,290 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-11-09 06:29:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:29:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-09 06:29:27,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:27,294 INFO L225 Difference]: With dead ends: 219 [2024-11-09 06:29:27,296 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 06:29:27,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 143 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 06:29:27,299 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:27,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 463 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:29:27,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 06:29:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-09 06:29:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 162 transitions. [2024-11-09 06:29:27,327 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 162 transitions. Word has length 146 [2024-11-09 06:29:27,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:27,333 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 162 transitions. [2024-11-09 06:29:27,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2024-11-09 06:29:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 06:29:27,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:27,338 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:27,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:29:27,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:27,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:27,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:27,541 INFO L85 PathProgramCache]: Analyzing trace with hash -941206952, now seen corresponding path program 1 times [2024-11-09 06:29:27,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:27,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487746315] [2024-11-09 06:29:27,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:27,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:27,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:27,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:27,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:29:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:28,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:29:28,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:29:28,187 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:28,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:28,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487746315] [2024-11-09 06:29:28,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487746315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:28,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:28,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:28,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870343736] [2024-11-09 06:29:28,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:28,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:29:28,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:28,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:29:28,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:29:28,191 INFO L87 Difference]: Start difference. First operand 112 states and 162 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:28,264 INFO L93 Difference]: Finished difference Result 224 states and 325 transitions. [2024-11-09 06:29:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:29:28,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-09 06:29:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:28,266 INFO L225 Difference]: With dead ends: 224 [2024-11-09 06:29:28,266 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 06:29:28,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:29:28,268 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:28,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 613 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:29:28,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 06:29:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 06:29:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2024-11-09 06:29:28,279 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 146 [2024-11-09 06:29:28,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:28,280 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2024-11-09 06:29:28,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2024-11-09 06:29:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 06:29:28,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:28,283 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:28,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 06:29:28,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:28,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:28,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:28,484 INFO L85 PathProgramCache]: Analyzing trace with hash -163024792, now seen corresponding path program 1 times [2024-11-09 06:29:28,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:28,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172670880] [2024-11-09 06:29:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:28,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:28,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:28,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:28,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 06:29:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:29,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:29:29,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:29:29,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:29,121 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:29,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172670880] [2024-11-09 06:29:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172670880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:29,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:29,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873090563] [2024-11-09 06:29:29,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:29,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:29:29,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:29,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:29:29,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:29:29,129 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:29,229 INFO L93 Difference]: Finished difference Result 230 states and 331 transitions. [2024-11-09 06:29:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:29:29,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-09 06:29:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:29,233 INFO L225 Difference]: With dead ends: 230 [2024-11-09 06:29:29,233 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 06:29:29,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:29:29,235 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:29,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 618 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:29:29,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 06:29:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2024-11-09 06:29:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-11-09 06:29:29,247 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 146 [2024-11-09 06:29:29,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:29,248 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-11-09 06:29:29,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-11-09 06:29:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 06:29:29,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:29,252 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:29,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 06:29:29,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:29,453 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:29,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:29,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1030813341, now seen corresponding path program 1 times [2024-11-09 06:29:29,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:29,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57610477] [2024-11-09 06:29:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:29,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:29,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:29,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 06:29:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:30,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:29:30,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:29:30,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:30,073 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:30,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57610477] [2024-11-09 06:29:30,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57610477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:30,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:30,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:30,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933517524] [2024-11-09 06:29:30,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:30,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:29:30,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:30,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:29:30,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:29:30,076 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:30,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:30,155 INFO L93 Difference]: Finished difference Result 234 states and 336 transitions. [2024-11-09 06:29:30,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:29:30,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-11-09 06:29:30,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:30,158 INFO L225 Difference]: With dead ends: 234 [2024-11-09 06:29:30,158 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 06:29:30,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:29:30,161 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:30,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 604 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:29:30,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 06:29:30,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-09 06:29:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2024-11-09 06:29:30,182 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 148 [2024-11-09 06:29:30,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:30,186 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2024-11-09 06:29:30,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-11-09 06:29:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 06:29:30,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:30,189 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:30,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-09 06:29:30,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:30,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:30,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1731877919, now seen corresponding path program 1 times [2024-11-09 06:29:30,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:30,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364959072] [2024-11-09 06:29:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:30,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:30,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 06:29:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:30,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:29:30,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:29:31,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:31,049 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364959072] [2024-11-09 06:29:31,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364959072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:31,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:31,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:29:31,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711875880] [2024-11-09 06:29:31,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:31,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:29:31,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:31,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:29:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:29:31,052 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:31,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:31,436 INFO L93 Difference]: Finished difference Result 242 states and 344 transitions. [2024-11-09 06:29:31,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:29:31,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-11-09 06:29:31,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:31,439 INFO L225 Difference]: With dead ends: 242 [2024-11-09 06:29:31,439 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 06:29:31,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:29:31,441 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 1 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:31,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 882 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:29:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 06:29:31,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-09 06:29:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 174 transitions. [2024-11-09 06:29:31,453 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 174 transitions. Word has length 148 [2024-11-09 06:29:31,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:31,454 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 174 transitions. [2024-11-09 06:29:31,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2024-11-09 06:29:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 06:29:31,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:31,458 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:31,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:29:31,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:31,659 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:31,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:31,659 INFO L85 PathProgramCache]: Analyzing trace with hash -788082015, now seen corresponding path program 1 times [2024-11-09 06:29:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785030644] [2024-11-09 06:29:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:31,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:31,664 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:31,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 06:29:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:32,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 06:29:32,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:29:32,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:32,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:32,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785030644] [2024-11-09 06:29:32,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785030644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:32,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:32,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 06:29:32,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066877790] [2024-11-09 06:29:32,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:32,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:29:32,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:32,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:29:32,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:29:32,324 INFO L87 Difference]: Start difference. First operand 124 states and 174 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:32,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:32,710 INFO L93 Difference]: Finished difference Result 248 states and 349 transitions. [2024-11-09 06:29:32,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:29:32,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-11-09 06:29:32,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:32,713 INFO L225 Difference]: With dead ends: 248 [2024-11-09 06:29:32,713 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:29:32,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:29:32,715 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:32,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1021 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:29:32,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:29:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-11-09 06:29:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 176 transitions. [2024-11-09 06:29:32,725 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 176 transitions. Word has length 148 [2024-11-09 06:29:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:32,725 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 176 transitions. [2024-11-09 06:29:32,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:29:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2024-11-09 06:29:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 06:29:32,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:32,729 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:32,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 06:29:32,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:32,929 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:32,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:32,930 INFO L85 PathProgramCache]: Analyzing trace with hash -786234973, now seen corresponding path program 1 times [2024-11-09 06:29:32,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:32,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622879888] [2024-11-09 06:29:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:32,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:32,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:32,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:32,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 06:29:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:33,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:29:33,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:33,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:29:33,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-09 06:29:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-09 06:29:33,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:33,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:33,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622879888] [2024-11-09 06:29:33,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622879888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:33,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:33,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:33,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847752047] [2024-11-09 06:29:33,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:33,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:29:33,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:33,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:29:33,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:29:33,818 INFO L87 Difference]: Start difference. First operand 126 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:36,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:36,681 INFO L93 Difference]: Finished difference Result 250 states and 350 transitions. [2024-11-09 06:29:36,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:29:36,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-11-09 06:29:36,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:36,683 INFO L225 Difference]: With dead ends: 250 [2024-11-09 06:29:36,683 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:29:36,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:29:36,684 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 146 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:36,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 455 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 06:29:36,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:29:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-11-09 06:29:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3177570093457944) internal successors, (141), 107 states have internal predecessors, (141), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 175 transitions. [2024-11-09 06:29:36,698 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 175 transitions. Word has length 148 [2024-11-09 06:29:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:36,698 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 175 transitions. [2024-11-09 06:29:36,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 175 transitions. [2024-11-09 06:29:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 06:29:36,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:36,701 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:36,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:29:36,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:36,901 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:36,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1406243831, now seen corresponding path program 1 times [2024-11-09 06:29:36,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:36,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395167251] [2024-11-09 06:29:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:36,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:36,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:36,903 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:36,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-09 06:29:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:37,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:29:37,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:37,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:29:37,691 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 173 treesize of output 65 [2024-11-09 06:29:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-09 06:29:37,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:37,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:37,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395167251] [2024-11-09 06:29:37,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395167251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:37,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:37,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:37,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200275024] [2024-11-09 06:29:37,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:37,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:29:37,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:37,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:29:37,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:29:37,743 INFO L87 Difference]: Start difference. First operand 126 states and 175 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:40,623 INFO L93 Difference]: Finished difference Result 250 states and 348 transitions. [2024-11-09 06:29:40,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:29:40,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-09 06:29:40,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:40,625 INFO L225 Difference]: With dead ends: 250 [2024-11-09 06:29:40,625 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:29:40,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:29:40,626 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 137 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:40,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 449 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 06:29:40,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:29:40,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-11-09 06:29:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 174 transitions. [2024-11-09 06:29:40,634 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 174 transitions. Word has length 150 [2024-11-09 06:29:40,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:40,634 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 174 transitions. [2024-11-09 06:29:40,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2024-11-09 06:29:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 06:29:40,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:40,637 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:40,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-09 06:29:40,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:40,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:40,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash 792517093, now seen corresponding path program 1 times [2024-11-09 06:29:40,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:40,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296175614] [2024-11-09 06:29:40,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:40,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:40,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:40,841 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 06:29:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:41,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:29:41,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-09 06:29:41,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:41,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:41,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296175614] [2024-11-09 06:29:41,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296175614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:41,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:41,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:29:41,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662357024] [2024-11-09 06:29:41,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:41,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:29:41,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:41,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:29:41,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:29:41,488 INFO L87 Difference]: Start difference. First operand 126 states and 174 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-09 06:29:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:41,820 INFO L93 Difference]: Finished difference Result 253 states and 350 transitions. [2024-11-09 06:29:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:29:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2024-11-09 06:29:41,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:41,823 INFO L225 Difference]: With dead ends: 253 [2024-11-09 06:29:41,823 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 06:29:41,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:29:41,824 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:41,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 644 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 06:29:41,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 06:29:41,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2024-11-09 06:29:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 107 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 173 transitions. [2024-11-09 06:29:41,840 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 173 transitions. Word has length 152 [2024-11-09 06:29:41,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:41,841 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 173 transitions. [2024-11-09 06:29:41,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-09 06:29:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 173 transitions. [2024-11-09 06:29:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 06:29:41,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:41,843 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:41,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-09 06:29:42,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:42,043 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:42,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:42,044 INFO L85 PathProgramCache]: Analyzing trace with hash 304469987, now seen corresponding path program 1 times [2024-11-09 06:29:42,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:42,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61266979] [2024-11-09 06:29:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:42,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:42,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:42,047 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:42,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 06:29:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:42,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:29:42,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:43,010 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 95 treesize of output 41 [2024-11-09 06:29:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-09 06:29:43,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:43,062 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:43,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61266979] [2024-11-09 06:29:43,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61266979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:43,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:43,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:43,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632140362] [2024-11-09 06:29:43,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:43,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:29:43,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:43,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:29:43,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:29:43,066 INFO L87 Difference]: Start difference. First operand 126 states and 173 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:46,451 INFO L93 Difference]: Finished difference Result 250 states and 344 transitions. [2024-11-09 06:29:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:29:46,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-09 06:29:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:46,454 INFO L225 Difference]: With dead ends: 250 [2024-11-09 06:29:46,454 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:29:46,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:29:46,455 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 126 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:46,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 440 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 06:29:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:29:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-11-09 06:29:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 107 states have internal predecessors, (138), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2024-11-09 06:29:46,462 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 152 [2024-11-09 06:29:46,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:46,463 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2024-11-09 06:29:46,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2024-11-09 06:29:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 06:29:46,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:46,464 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:46,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-09 06:29:46,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:46,665 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:46,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:46,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1000623177, now seen corresponding path program 1 times [2024-11-09 06:29:46,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:46,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614256973] [2024-11-09 06:29:46,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:46,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:46,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:46,667 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:46,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-09 06:29:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:47,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:29:47,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:47,405 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 95 treesize of output 41 [2024-11-09 06:29:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 06:29:47,440 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:29:47,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:47,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614256973] [2024-11-09 06:29:47,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1614256973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:29:47,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:29:47,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:29:47,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772688134] [2024-11-09 06:29:47,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:29:47,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:29:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:29:47,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:29:47,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:29:47,442 INFO L87 Difference]: Start difference. First operand 126 states and 172 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:29:50,410 INFO L93 Difference]: Finished difference Result 249 states and 341 transitions. [2024-11-09 06:29:50,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:29:50,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2024-11-09 06:29:50,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:29:50,412 INFO L225 Difference]: With dead ends: 249 [2024-11-09 06:29:50,412 INFO L226 Difference]: Without dead ends: 126 [2024-11-09 06:29:50,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:29:50,413 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:29:50,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 436 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 06:29:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-09 06:29:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-09 06:29:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 105 states have internal predecessors, (135), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:29:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 169 transitions. [2024-11-09 06:29:50,420 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 169 transitions. Word has length 154 [2024-11-09 06:29:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:29:50,421 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 169 transitions. [2024-11-09 06:29:50,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:29:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 169 transitions. [2024-11-09 06:29:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 06:29:50,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:29:50,422 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:29:50,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-09 06:29:50,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:50,623 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:29:50,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:29:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1685899167, now seen corresponding path program 1 times [2024-11-09 06:29:50,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:29:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484942108] [2024-11-09 06:29:50,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:50,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:29:50,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:29:50,626 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:29:50,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-09 06:29:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:51,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:29:51,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:29:51,678 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 94 treesize of output 40 [2024-11-09 06:29:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:29:51,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:29:52,206 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 58 treesize of output 22 [2024-11-09 06:29:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 06:29:52,254 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:29:52,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484942108] [2024-11-09 06:29:52,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484942108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:29:52,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [779833991] [2024-11-09 06:29:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:29:52,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:29:52,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:29:52,259 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:29:52,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 06:29:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:29:53,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:29:53,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:30:02,368 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:30:02,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 211 treesize of output 121 [2024-11-09 06:30:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:30:13,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:30:13,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [779833991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:30:13,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:30:13,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8] total 15 [2024-11-09 06:30:13,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021804310] [2024-11-09 06:30:13,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:30:13,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:30:13,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:30:13,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:30:13,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:30:13,350 INFO L87 Difference]: Start difference. First operand 124 states and 169 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:30:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:51,874 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:30:55,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:30:58,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:31:00,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:31:01,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:31:07,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:31:19,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:31:19,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:19,458 INFO L93 Difference]: Finished difference Result 290 states and 392 transitions. [2024-11-09 06:31:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:31:19,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-09 06:31:19,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:19,467 INFO L225 Difference]: With dead ends: 290 [2024-11-09 06:31:19,467 INFO L226 Difference]: Without dead ends: 169 [2024-11-09 06:31:19,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 31.8s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-09 06:31:19,469 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 45 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:31:19,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 419 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 46.2s Time] [2024-11-09 06:31:19,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-09 06:31:19,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2024-11-09 06:31:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:31:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 171 transitions. [2024-11-09 06:31:19,482 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 171 transitions. Word has length 156 [2024-11-09 06:31:19,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:19,482 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 171 transitions. [2024-11-09 06:31:19,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 171 transitions. [2024-11-09 06:31:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 06:31:19,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:19,487 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:19,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-09 06:31:19,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 06:31:19,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:31:19,888 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:19,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:19,888 INFO L85 PathProgramCache]: Analyzing trace with hash 227677297, now seen corresponding path program 1 times [2024-11-09 06:31:19,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:19,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36549293] [2024-11-09 06:31:19,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:19,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:19,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:19,890 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:19,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:31:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:20,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:31:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:31:20,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:31:20,574 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:20,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36549293] [2024-11-09 06:31:20,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36549293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:20,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:31:20,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:31:20,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322352365] [2024-11-09 06:31:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:20,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:31:20,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:31:20,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:31:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:31:20,578 INFO L87 Difference]: Start difference. First operand 126 states and 171 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:24,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:24,365 INFO L93 Difference]: Finished difference Result 285 states and 384 transitions. [2024-11-09 06:31:24,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:31:24,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-09 06:31:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:24,368 INFO L225 Difference]: With dead ends: 285 [2024-11-09 06:31:24,369 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 06:31:24,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:31:24,370 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 38 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:31:24,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 440 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 06:31:24,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 06:31:24,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 127. [2024-11-09 06:31:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.2777777777777777) internal successors, (138), 108 states have internal predecessors, (138), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:31:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 172 transitions. [2024-11-09 06:31:24,380 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 172 transitions. Word has length 156 [2024-11-09 06:31:24,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:24,381 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 172 transitions. [2024-11-09 06:31:24,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 172 transitions. [2024-11-09 06:31:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 06:31:24,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:24,383 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:24,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:31:24,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:24,584 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:24,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:24,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1678159175, now seen corresponding path program 1 times [2024-11-09 06:31:24,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:24,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035662226] [2024-11-09 06:31:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:24,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:24,589 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:24,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-09 06:31:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:25,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:31:25,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:25,810 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 94 treesize of output 40 [2024-11-09 06:31:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:31:25,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:31:26,590 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 58 treesize of output 22 [2024-11-09 06:31:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 06:31:26,656 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:26,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035662226] [2024-11-09 06:31:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035662226] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:31:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [540050237] [2024-11-09 06:31:26,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:26,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:31:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:31:26,659 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:31:26,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 06:31:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:29,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:31:29,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:29,699 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 123 treesize of output 51 [2024-11-09 06:31:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:31:29,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:31:30,314 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 88 treesize of output 34 [2024-11-09 06:31:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 06:31:30,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [540050237] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:31:30,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094113710] [2024-11-09 06:31:30,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:30,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:31:30,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:31:30,375 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:31:30,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 06:31:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:30,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:31:30,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:30,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-09 06:31:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:31:30,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:31:30,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094113710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:30,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-09 06:31:30,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8, 10, 9] total 17 [2024-11-09 06:31:30,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954681638] [2024-11-09 06:31:30,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:30,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:31:30,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:31:30,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:31:30,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:31:30,898 INFO L87 Difference]: Start difference. First operand 127 states and 172 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:30,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:30,929 INFO L93 Difference]: Finished difference Result 251 states and 341 transitions. [2024-11-09 06:31:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:31:30,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-09 06:31:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:30,932 INFO L225 Difference]: With dead ends: 251 [2024-11-09 06:31:30,932 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:31:30,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 775 GetRequests, 758 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:31:30,933 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 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 06:31:30,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:31:30,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:31:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-09 06:31:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.2685185185185186) internal successors, (137), 108 states have internal predecessors, (137), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:31:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 171 transitions. [2024-11-09 06:31:30,943 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 171 transitions. Word has length 156 [2024-11-09 06:31:30,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:30,944 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 171 transitions. [2024-11-09 06:31:30,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2024-11-09 06:31:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 06:31:30,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:30,946 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:30,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Ended with exit code 0 [2024-11-09 06:31:31,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 06:31:31,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 06:31:31,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:31:31,547 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:31,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:31,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1740198789, now seen corresponding path program 1 times [2024-11-09 06:31:31,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:31,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224397926] [2024-11-09 06:31:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:31,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:31,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:31,553 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:31,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:31:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:32,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:31:32,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:32,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:31:32,371 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 34 treesize of output 10 [2024-11-09 06:31:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:31:32,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:31:32,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:32,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224397926] [2024-11-09 06:31:32,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224397926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:32,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:31:32,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:31:32,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323002437] [2024-11-09 06:31:32,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:32,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:31:32,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:31:32,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:31:32,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:31:32,420 INFO L87 Difference]: Start difference. First operand 127 states and 171 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:35,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:35,352 INFO L93 Difference]: Finished difference Result 253 states and 341 transitions. [2024-11-09 06:31:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:31:35,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-09 06:31:35,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:35,354 INFO L225 Difference]: With dead ends: 253 [2024-11-09 06:31:35,354 INFO L226 Difference]: Without dead ends: 129 [2024-11-09 06:31:35,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:31:35,355 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 51 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:31:35,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 381 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 06:31:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-09 06:31:35,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-09 06:31:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.2592592592592593) internal successors, (136), 108 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:31:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 170 transitions. [2024-11-09 06:31:35,362 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 170 transitions. Word has length 156 [2024-11-09 06:31:35,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:35,363 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 170 transitions. [2024-11-09 06:31:35,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2024-11-09 06:31:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 06:31:35,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:35,364 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:35,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-09 06:31:35,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:35,565 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:35,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash 719130435, now seen corresponding path program 1 times [2024-11-09 06:31:35,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:35,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415324039] [2024-11-09 06:31:35,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:35,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:35,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:35,567 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:35,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-09 06:31:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:36,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:31:36,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:31:36,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:31:36,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:36,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415324039] [2024-11-09 06:31:36,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415324039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:31:36,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:31:36,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:31:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896484974] [2024-11-09 06:31:36,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:31:36,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:31:36,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:31:36,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:31:36,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:31:36,152 INFO L87 Difference]: Start difference. First operand 127 states and 170 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:36,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:31:36,238 INFO L93 Difference]: Finished difference Result 251 states and 337 transitions. [2024-11-09 06:31:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:31:36,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-11-09 06:31:36,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:31:36,241 INFO L225 Difference]: With dead ends: 251 [2024-11-09 06:31:36,241 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:31:36,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:31:36,242 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:31:36,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 584 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:31:36,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:31:36,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-09 06:31:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.25) internal successors, (135), 108 states have internal predecessors, (135), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:31:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 169 transitions. [2024-11-09 06:31:36,249 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 169 transitions. Word has length 156 [2024-11-09 06:31:36,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:31:36,250 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 169 transitions. [2024-11-09 06:31:36,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:31:36,251 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 169 transitions. [2024-11-09 06:31:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 06:31:36,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:31:36,252 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:31:36,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-09 06:31:36,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:36,452 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:31:36,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:31:36,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2110356289, now seen corresponding path program 1 times [2024-11-09 06:31:36,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:31:36,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18930528] [2024-11-09 06:31:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:31:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:31:36,455 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:31:36,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-09 06:31:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:36,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:31:36,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:37,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-09 06:31:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:31:37,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:31:38,181 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 58 treesize of output 22 [2024-11-09 06:31:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 06:31:38,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:31:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18930528] [2024-11-09 06:31:38,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18930528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:31:38,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2114618998] [2024-11-09 06:31:38,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:31:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:31:38,247 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:31:38,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 06:31:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:31:40,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:31:40,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:31:40,737 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 123 treesize of output 51 [2024-11-09 06:31:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:31:40,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:31:41,367 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 88 treesize of output 34 [2024-11-09 06:31:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 06:31:41,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2114618998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:31:41,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350502823] [2024-11-09 06:31:41,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:31:41,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:31:41,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:31:41,423 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:31:41,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6304887-f252-48a5-ac36-b62cd1bf58fd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process