./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.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_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/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_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/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_39c84a14-5a22-42de-97e5-16b086cbffc5/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 f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:00:34,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:00:34,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:00:34,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:00:34,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:00:34,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:00:34,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:00:34,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:00:34,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:00:34,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:00:34,679 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:00:34,679 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:00:34,680 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:00:34,680 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:00:34,681 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:00:34,681 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:00:34,682 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:00:34,682 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:00:34,683 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:00:34,683 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:00:34,684 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:00:34,685 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:00:34,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:00:34,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:00:34,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:00:34,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:00:34,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:00:34,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:00:34,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:00:34,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:00:34,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:00:34,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:00:34,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:00:34,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:00:34,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:00:34,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:00:34,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:00:34,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:00:34,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:34,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:00:34,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:00:34,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:00:34,696 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:00:34,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:00:34,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:00:34,697 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:00:34,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:00:34,698 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_39c84a14-5a22-42de-97e5-16b086cbffc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 [2024-11-09 06:00:35,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:00:35,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:00:35,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:00:35,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:00:35,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:00:35,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i Unable to find full path for "g++" [2024-11-09 06:00:37,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:00:37,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:00:37,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i [2024-11-09 06:00:37,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data/67bf4a5e2/aaddf072805b4baa95f6a35742e825a2/FLAG2bf12dc21 [2024-11-09 06:00:38,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data/67bf4a5e2/aaddf072805b4baa95f6a35742e825a2 [2024-11-09 06:00:38,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:00:38,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:00:38,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:38,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:00:38,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:00:38,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12138362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38, skipping insertion in model container [2024-11-09 06:00:38,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:00:38,317 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_39c84a14-5a22-42de-97e5-16b086cbffc5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2024-11-09 06:00:38,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:38,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:00:38,414 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_39c84a14-5a22-42de-97e5-16b086cbffc5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2024-11-09 06:00:38,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:38,489 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:00:38,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38 WrapperNode [2024-11-09 06:00:38,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:38,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:38,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:00:38,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:00:38,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,577 INFO L138 Inliner]: procedures = 30, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2024-11-09 06:00:38,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:38,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:00:38,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:00:38,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:00:38,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:00:38,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:00:38,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:00:38,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:00:38,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (1/1) ... [2024-11-09 06:00:38,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:38,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:00:38,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:00:38,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:00:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 06:00:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:00:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:00:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:00:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:00:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:00:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:00:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:00:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:00:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:00:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:00:38,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:00:38,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:00:39,585 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-09 06:00:39,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:00:40,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:00:40,235 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:00:40,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:40 BoogieIcfgContainer [2024-11-09 06:00:40,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:00:40,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:00:40,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:00:40,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:00:40,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:00:38" (1/3) ... [2024-11-09 06:00:40,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5519c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:40, skipping insertion in model container [2024-11-09 06:00:40,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:38" (2/3) ... [2024-11-09 06:00:40,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5519c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:40, skipping insertion in model container [2024-11-09 06:00:40,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:40" (3/3) ... [2024-11-09 06:00:40,253 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-79.i [2024-11-09 06:00:40,275 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:00:40,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:00:40,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:00:40,397 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;@1382ed0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:00:40,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:00:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:00:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 06:00:40,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:40,419 INFO L215 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:40,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:40,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1554952865, now seen corresponding path program 1 times [2024-11-09 06:00:40,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:40,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029026950] [2024-11-09 06:00:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:00:42,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857457934] [2024-11-09 06:00:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:42,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:42,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:42,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:42,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:00:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:00:43,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:00:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:00:44,157 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:00:44,161 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:00:44,163 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:00:44,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:44,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:00:44,377 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:00:44,429 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:00:44,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:00:44 BoogieIcfgContainer [2024-11-09 06:00:44,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:00:44,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:00:44,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:00:44,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:00:44,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:40" (3/4) ... [2024-11-09 06:00:44,442 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:00:44,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:00:44,446 INFO L158 Benchmark]: Toolchain (without parser) took 6389.37ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 106.4MB in the beginning and 79.0MB in the end (delta: 27.4MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2024-11-09 06:00:44,447 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:00:44,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.03ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 89.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:00:44,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.57ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 85.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:00:44,450 INFO L158 Benchmark]: Boogie Preprocessor took 54.20ms. Allocated memory is still 146.8MB. Free memory was 85.8MB in the beginning and 83.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:00:44,453 INFO L158 Benchmark]: RCFGBuilder took 1602.27ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 82.8MB in the beginning and 108.6MB in the end (delta: -25.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-09 06:00:44,454 INFO L158 Benchmark]: TraceAbstraction took 4194.82ms. Allocated memory is still 199.2MB. Free memory was 108.6MB in the beginning and 79.0MB in the end (delta: 29.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-09 06:00:44,454 INFO L158 Benchmark]: Witness Printer took 9.15ms. Allocated memory is still 199.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:00:44,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.03ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 89.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.57ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 85.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.20ms. Allocated memory is still 146.8MB. Free memory was 85.8MB in the beginning and 83.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1602.27ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 82.8MB in the beginning and 108.6MB in the end (delta: -25.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4194.82ms. Allocated memory is still 199.2MB. Free memory was 108.6MB in the beginning and 79.0MB in the end (delta: 29.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 9.15ms. Allocated memory is still 199.2MB. Free memory is still 79.0MB. 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 55, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of shiftRight at line 54. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L49] unsigned short int last_1_WrapperStruct00_var_1_10 = 32; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] EXPR WrapperStruct00.var_1_10 [L101] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L81] WrapperStruct00.var_1_3 = __VERIFIER_nondet_char() [L82] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L83] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L84] WrapperStruct00.var_1_4 = __VERIFIER_nondet_char() [L85] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L86] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L87] WrapperStruct00.var_1_5 = __VERIFIER_nondet_char() [L88] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L89] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L90] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L91] EXPR WrapperStruct00.var_1_8 [L91] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_8 [L91] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L91] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L92] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L93] EXPR WrapperStruct00.var_1_9 [L93] EXPR WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_9 [L93] EXPR WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L93] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L94] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L95] EXPR WrapperStruct00.var_1_11 [L95] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_11 [L95] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L95] EXPR (WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L96] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L112] RET updateVariables() [L113] CALL step() [L53] EXPR WrapperStruct00.var_1_5 [L53] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) [L53] EXPR WrapperStruct00.var_1_5 [L53] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) [L53] signed long int stepLocal_0 = (((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10)); [L54] EXPR WrapperStruct00.var_1_4 [L54] EXPR WrapperStruct00.var_1_3 [L54] EXPR last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3 [L54] COND TRUE stepLocal_0 <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3)) [L55] EXPR WrapperStruct00.var_1_8 [L55] EXPR WrapperStruct00.var_1_9 [L55] COND TRUE (- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9 [L56] EXPR WrapperStruct00.var_1_4 [L56] WrapperStruct00.var_1_6 = WrapperStruct00.var_1_4 [L63] EXPR WrapperStruct00.var_1_5 [L63] EXPR WrapperStruct00.var_1_6 [L63] signed long int stepLocal_1 = WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6; [L64] EXPR WrapperStruct00.var_1_11 [L64] EXPR WrapperStruct00.var_1_9 [L64] COND TRUE WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9 [L65] EXPR WrapperStruct00.var_1_6 [L65] COND FALSE !(stepLocal_1 <= (~ (WrapperStruct00.var_1_6 % -32))) [L68] EXPR WrapperStruct00.var_1_5 [L68] WrapperStruct00.var_1_10 = WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_13 [L71] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_13 [L72] EXPR WrapperStruct00.var_1_12 [L72] COND TRUE ! WrapperStruct00.var_1_12 [L73] EXPR WrapperStruct00.var_1_12 [L73] COND TRUE ! WrapperStruct00.var_1_12 [L74] EXPR WrapperStruct00.var_1_3 [L74] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_3 + -32) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR (! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1 [L104] EXPR WrapperStruct00.var_1_12 [L104] EXPR (! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16)))))) [L104] EXPR WrapperStruct00.var_1_1 [L104] EXPR WrapperStruct00.var_1_3 [L104] EXPR (! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16)))))) [L104] EXPR (! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1 [L104] EXPR ((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) [L104] EXPR WrapperStruct00.var_1_5 [L104] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) [L104] EXPR WrapperStruct00.var_1_5 [L104] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) [L104] EXPR WrapperStruct00.var_1_4 [L104] EXPR WrapperStruct00.var_1_3 [L104] EXPR last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3 [L104] EXPR (((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)) [L104] EXPR WrapperStruct00.var_1_6 [L104] EXPR WrapperStruct00.var_1_5 [L104] EXPR (((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)) [L104] EXPR ((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) [L104] EXPR (((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1) [L104] EXPR ((((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) [L104-L105] return ((((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred 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, 2.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 06:00:44,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/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_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/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_39c84a14-5a22-42de-97e5-16b086cbffc5/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 f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:00:47,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:00:47,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:00:47,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:00:47,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:00:47,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:00:47,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:00:47,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:00:47,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:00:47,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:00:47,647 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:00:47,647 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:00:47,648 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:00:47,648 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:00:47,649 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:00:47,649 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:00:47,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:00:47,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:00:47,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:00:47,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:00:47,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:00:47,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:00:47,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:00:47,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:00:47,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:00:47,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:00:47,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:00:47,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:00:47,660 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:00:47,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:00:47,660 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:00:47,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:00:47,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:00:47,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:00:47,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:00:47,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:47,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:00:47,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:00:47,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:00:47,663 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:00:47,663 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:00:47,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:00:47,683 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:00:47,683 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_39c84a14-5a22-42de-97e5-16b086cbffc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 [2024-11-09 06:00:48,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:00:48,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:00:48,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:00:48,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:00:48,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:00:48,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i Unable to find full path for "g++" [2024-11-09 06:00:50,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:00:51,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:00:51,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i [2024-11-09 06:00:51,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data/e4622d8a5/0bfa856cbde14448810c12eccd38f7ad/FLAGf71862457 [2024-11-09 06:00:51,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/data/e4622d8a5/0bfa856cbde14448810c12eccd38f7ad [2024-11-09 06:00:51,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:00:51,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:00:51,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:51,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:00:51,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:00:51,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:51,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77763384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51, skipping insertion in model container [2024-11-09 06:00:51,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:51,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:00:51,599 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_39c84a14-5a22-42de-97e5-16b086cbffc5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2024-11-09 06:00:51,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:51,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:00:51,750 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_39c84a14-5a22-42de-97e5-16b086cbffc5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2024-11-09 06:00:51,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:51,881 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:00:51,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51 WrapperNode [2024-11-09 06:00:51,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:51,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:51,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:00:51,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:00:51,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:51,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:51,982 INFO L138 Inliner]: procedures = 40, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 386 [2024-11-09 06:00:51,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:51,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:00:51,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:00:51,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:00:52,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:00:52,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:00:52,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:00:52,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:00:52,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (1/1) ... [2024-11-09 06:00:52,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:52,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:52,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:00:52,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:00:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:00:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:00:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-09 06:00:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:00:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:00:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:00:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 06:00:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:00:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:00:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 06:00:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 06:00:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-09 06:00:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-09 06:00:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:00:52,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:00:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 06:00:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:00:52,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:00:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:00:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:00:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:00:52,379 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:00:52,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:00:53,824 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-09 06:00:53,824 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:00:53,850 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:00:53,851 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:00:53,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:53 BoogieIcfgContainer [2024-11-09 06:00:53,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:00:53,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:00:53,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:00:53,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:00:53,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:00:51" (1/3) ... [2024-11-09 06:00:53,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa5f799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:53, skipping insertion in model container [2024-11-09 06:00:53,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:51" (2/3) ... [2024-11-09 06:00:53,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa5f799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:53, skipping insertion in model container [2024-11-09 06:00:53,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:53" (3/3) ... [2024-11-09 06:00:53,868 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-79.i [2024-11-09 06:00:53,892 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:00:53,892 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:00:53,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:00:53,979 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;@6c119c76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:00:53,979 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:00:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:00:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 06:00:54,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:54,015 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:54,015 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:54,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:54,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1990162180, now seen corresponding path program 1 times [2024-11-09 06:00:54,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:00:54,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314671340] [2024-11-09 06:00:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:54,047 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 06:00:54,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:00:54,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:54,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:54,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:00:54,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-09 06:00:54,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:00:54,529 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:00:54,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314671340] [2024-11-09 06:00:54,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314671340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:54,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:54,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:00:54,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681197373] [2024-11-09 06:00:54,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:54,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:00:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:00:54,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:00:54,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:00:54,580 INFO L87 Difference]: Start difference. First operand has 91 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 06:00:54,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:54,635 INFO L93 Difference]: Finished difference Result 175 states and 269 transitions. [2024-11-09 06:00:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:00:54,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-09 06:00:54,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:54,649 INFO L225 Difference]: With dead ends: 175 [2024-11-09 06:00:54,650 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 06:00:54,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 06:00:54,664 INFO L432 NwaCegarLoop]: 125 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, 125 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 06:00:54,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:00:54,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 06:00:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 06:00:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 74 states have internal predecessors, (103), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:00:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2024-11-09 06:00:54,732 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 100 [2024-11-09 06:00:54,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:54,733 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2024-11-09 06:00:54,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 06:00:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2024-11-09 06:00:54,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 06:00:54,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:54,744 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:54,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:00:54,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:54,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:54,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1550377866, now seen corresponding path program 1 times [2024-11-09 06:00:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:00:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357383399] [2024-11-09 06:00:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:54,949 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 06:00:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:00:54,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:54,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:55,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:00:55,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:00:55,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:00:55,375 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:00:55,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357383399] [2024-11-09 06:00:55,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357383399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:55,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:55,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:00:55,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929583592] [2024-11-09 06:00:55,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:55,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:00:55,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:00:55,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:00:55,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:00:55,386 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:00:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:55,488 INFO L93 Difference]: Finished difference Result 173 states and 250 transitions. [2024-11-09 06:00:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:00:55,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-11-09 06:00:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:55,494 INFO L225 Difference]: With dead ends: 173 [2024-11-09 06:00:55,495 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 06:00:55,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 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 06:00:55,498 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:55,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 06:00:55,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-09 06:00:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:00:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-09 06:00:55,513 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 100 [2024-11-09 06:00:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:55,515 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-09 06:00:55,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:00:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-09 06:00:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 06:00:55,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:55,518 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:55,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Ended with exit code 0 [2024-11-09 06:00:55,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:55,719 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:55,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:55,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1687021339, now seen corresponding path program 1 times [2024-11-09 06:00:55,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:00:55,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031407336] [2024-11-09 06:00:55,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:55,725 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 06:00:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:00:55,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:55,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:00:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:56,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:00:56,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:56,279 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 22 treesize of output 10 [2024-11-09 06:00:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:00:56,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:00:56,412 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:00:56,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031407336] [2024-11-09 06:00:56,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031407336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:56,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:56,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:00:56,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903704462] [2024-11-09 06:00:56,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:56,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:00:56,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:00:56,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:00:56,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:00:56,417 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:01,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:01,636 INFO L93 Difference]: Finished difference Result 251 states and 359 transitions. [2024-11-09 06:01:01,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:01:01,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2024-11-09 06:01:01,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:01,640 INFO L225 Difference]: With dead ends: 251 [2024-11-09 06:01:01,641 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 06:01:01,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:01:01,643 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 94 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:01,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 504 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-09 06:01:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 06:01:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 91. [2024-11-09 06:01:01,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-09 06:01:01,660 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 102 [2024-11-09 06:01:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:01,661 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-09 06:01:01,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-09 06:01:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 06:01:01,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:01,665 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:01,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:01:01,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:01,866 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:01,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:01,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2064964671, now seen corresponding path program 1 times [2024-11-09 06:01:01,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:01,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316946452] [2024-11-09 06:01:01,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:01,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:01,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:01,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:01,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 06:01:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:02,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:01:02,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:01:02,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:02,247 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316946452] [2024-11-09 06:01:02,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316946452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:02,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:02,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:01:02,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863139801] [2024-11-09 06:01:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:02,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:01:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:02,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:01:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:01:02,253 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:02,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:02,325 INFO L93 Difference]: Finished difference Result 184 states and 262 transitions. [2024-11-09 06:01:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:01:02,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-09 06:01:02,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:02,329 INFO L225 Difference]: With dead ends: 184 [2024-11-09 06:01:02,329 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 06:01:02,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 06:01:02,332 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:02,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 467 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:01:02,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 06:01:02,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-09 06:01:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2024-11-09 06:01:02,348 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 103 [2024-11-09 06:01:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:02,349 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2024-11-09 06:01:02,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2024-11-09 06:01:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 06:01:02,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:02,355 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:02,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 06:01:02,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:02,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:02,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2066811713, now seen corresponding path program 1 times [2024-11-09 06:01:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:02,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586089875] [2024-11-09 06:01:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:02,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:02,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:02,564 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:02,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:03,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 06:01:03,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:03,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:01:03,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-11-09 06:01:04,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:04,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 47 [2024-11-09 06:01:04,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:04,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 60 [2024-11-09 06:01:07,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:07,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 86 [2024-11-09 06:01:12,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:12,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2024-11-09 06:01:12,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:12,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2024-11-09 06:01:14,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:14,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 92 [2024-11-09 06:01:14,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:14,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 92 treesize of output 112 [2024-11-09 06:01:14,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:14,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 111 treesize of output 128 [2024-11-09 06:01:15,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:15,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 154 treesize of output 76 [2024-11-09 06:01:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 134 proven. 54 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 06:01:15,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:01:15,802 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586089875] [2024-11-09 06:01:15,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586089875] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:15,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:01:15,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 23 [2024-11-09 06:01:15,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474279400] [2024-11-09 06:01:15,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:15,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:01:15,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:15,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:01:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=410, Unknown=3, NotChecked=0, Total=506 [2024-11-09 06:01:15,805 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:17,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:17,132 INFO L93 Difference]: Finished difference Result 226 states and 314 transitions. [2024-11-09 06:01:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:01:17,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-09 06:01:17,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:17,135 INFO L225 Difference]: With dead ends: 226 [2024-11-09 06:01:17,135 INFO L226 Difference]: Without dead ends: 134 [2024-11-09 06:01:17,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=105, Invalid=542, Unknown=3, NotChecked=0, Total=650 [2024-11-09 06:01:17,138 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 41 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:17,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 585 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 06:01:17,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-09 06:01:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 99. [2024-11-09 06:01:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-09 06:01:17,162 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 103 [2024-11-09 06:01:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:17,163 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-09 06:01:17,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-09 06:01:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 06:01:17,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:17,170 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:17,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:17,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:17,371 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:17,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:17,372 INFO L85 PathProgramCache]: Analyzing trace with hash 544591483, now seen corresponding path program 1 times [2024-11-09 06:01:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:17,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417539944] [2024-11-09 06:01:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:17,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:17,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:17,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:17,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:17,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:01:17,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:17,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-09 06:01:17,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 06:01:17,921 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 24 treesize of output 12 [2024-11-09 06:01:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 06:01:17,968 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:17,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:17,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417539944] [2024-11-09 06:01:17,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417539944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:17,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:17,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:01:17,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873212686] [2024-11-09 06:01:17,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:17,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:01:17,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:17,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:01:17,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:01:17,972 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 06:01:19,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:19,814 INFO L93 Difference]: Finished difference Result 199 states and 278 transitions. [2024-11-09 06:01:19,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:01:19,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-11-09 06:01:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:19,817 INFO L225 Difference]: With dead ends: 199 [2024-11-09 06:01:19,817 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 06:01:19,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:01:19,818 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 89 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:19,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 254 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 06:01:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 06:01:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-11-09 06:01:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 139 transitions. [2024-11-09 06:01:19,831 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 139 transitions. Word has length 104 [2024-11-09 06:01:19,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:19,832 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 139 transitions. [2024-11-09 06:01:19,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 06:01:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2024-11-09 06:01:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 06:01:19,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:19,835 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:19,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:20,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:20,036 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:20,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash 423070715, now seen corresponding path program 1 times [2024-11-09 06:01:20,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:20,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547914502] [2024-11-09 06:01:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:20,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:20,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:20,038 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:20,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:20,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:01:20,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:01:20,352 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:20,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:20,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547914502] [2024-11-09 06:01:20,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547914502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:20,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:20,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:01:20,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422798119] [2024-11-09 06:01:20,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:20,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:01:20,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:20,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:01:20,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:01:20,355 INFO L87 Difference]: Start difference. First operand 101 states and 139 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:20,988 INFO L93 Difference]: Finished difference Result 197 states and 272 transitions. [2024-11-09 06:01:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:01:20,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-09 06:01:20,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:20,992 INFO L225 Difference]: With dead ends: 197 [2024-11-09 06:01:20,992 INFO L226 Difference]: Without dead ends: 99 [2024-11-09 06:01:20,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 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 06:01:20,993 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:20,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 06:01:20,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-09 06:01:21,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-09 06:01:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 85 states have internal predecessors, (112), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 134 transitions. [2024-11-09 06:01:21,012 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 134 transitions. Word has length 105 [2024-11-09 06:01:21,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:21,013 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 134 transitions. [2024-11-09 06:01:21,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2024-11-09 06:01:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 06:01:21,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:21,014 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:21,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:01:21,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:21,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:21,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:21,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1569381547, now seen corresponding path program 1 times [2024-11-09 06:01:21,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:21,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437096576] [2024-11-09 06:01:21,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:21,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:21,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:21,218 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:21,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:21,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 06:01:21,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:21,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:01:21,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-09 06:01:21,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2024-11-09 06:01:22,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:22,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2024-11-09 06:01:22,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:22,221 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 52 treesize of output 24 [2024-11-09 06:01:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-09 06:01:22,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:22,266 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:22,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437096576] [2024-11-09 06:01:22,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437096576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:22,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:22,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:01:22,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231740929] [2024-11-09 06:01:22,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:22,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:01:22,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:22,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:01:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:01:22,292 INFO L87 Difference]: Start difference. First operand 99 states and 134 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:01:26,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:26,223 INFO L93 Difference]: Finished difference Result 221 states and 298 transitions. [2024-11-09 06:01:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 06:01:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2024-11-09 06:01:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:26,226 INFO L225 Difference]: With dead ends: 221 [2024-11-09 06:01:26,227 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 06:01:26,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-09 06:01:26,228 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 117 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:26,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 323 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 483 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 06:01:26,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 06:01:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 99. [2024-11-09 06:01:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 85 states have internal predecessors, (110), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2024-11-09 06:01:26,251 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 132 transitions. Word has length 105 [2024-11-09 06:01:26,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:26,251 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 132 transitions. [2024-11-09 06:01:26,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:01:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 132 transitions. [2024-11-09 06:01:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 06:01:26,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:26,258 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:26,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:26,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:26,459 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:26,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:26,459 INFO L85 PathProgramCache]: Analyzing trace with hash 894031815, now seen corresponding path program 1 times [2024-11-09 06:01:26,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:26,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069518765] [2024-11-09 06:01:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:26,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:26,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:26,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:26,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:26,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:01:26,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:01:26,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:26,822 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:26,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069518765] [2024-11-09 06:01:26,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069518765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:26,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:26,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:01:26,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218032352] [2024-11-09 06:01:26,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:26,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:01:26,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:26,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:01:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:01:26,828 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:27,674 INFO L93 Difference]: Finished difference Result 185 states and 249 transitions. [2024-11-09 06:01:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:01:27,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-09 06:01:27,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:27,676 INFO L225 Difference]: With dead ends: 185 [2024-11-09 06:01:27,676 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 06:01:27,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 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 06:01:27,677 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:27,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 06:01:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 06:01:27,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-09 06:01:27,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.2933333333333332) internal successors, (97), 75 states have internal predecessors, (97), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:01:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 119 transitions. [2024-11-09 06:01:27,689 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 119 transitions. Word has length 105 [2024-11-09 06:01:27,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:27,690 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 119 transitions. [2024-11-09 06:01:27,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2024-11-09 06:01:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 06:01:27,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:27,692 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:27,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:27,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:27,893 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:27,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1571003216, now seen corresponding path program 1 times [2024-11-09 06:01:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:27,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980403764] [2024-11-09 06:01:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:27,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:27,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:27,898 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:27,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:28,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 06:01:28,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:28,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:01:28,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 10 [2024-11-09 06:01:30,336 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_54|) (select (select |c_#memory_int| |c_~#WrapperStruct00~0.base|) (bvadd (_ bv8 32) |c_~#WrapperStruct00~0.offset|)))) is different from true [2024-11-09 06:01:30,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-09 06:01:32,414 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_~#WrapperStruct00~0.base|))) (and (exists ((|v_skolemized_q#valueAsBitvector_55| (_ BitVec 64))) (= (select .cse0 (bvadd (_ bv20 32) |c_~#WrapperStruct00~0.offset|)) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_55|))) (exists ((|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_54|) (select .cse0 (bvadd (_ bv8 32) |c_~#WrapperStruct00~0.offset|)))))) is different from true [2024-11-09 06:01:32,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:32,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-11-09 06:01:32,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:32,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-11-09 06:01:33,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:33,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 47 [2024-11-09 06:01:33,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:33,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 70 [2024-11-09 06:01:33,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:33,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 78 treesize of output 95 [2024-11-09 06:01:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 16 not checked. [2024-11-09 06:01:33,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:01:36,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:36,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980403764] [2024-11-09 06:01:36,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980403764] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:36,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:01:36,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-11-09 06:01:36,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934599515] [2024-11-09 06:01:36,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:36,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:01:36,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:36,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:01:36,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=67, Unknown=3, NotChecked=34, Total=132 [2024-11-09 06:01:36,009 INFO L87 Difference]: Start difference. First operand 89 states and 119 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:43,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:43,218 INFO L93 Difference]: Finished difference Result 226 states and 299 transitions. [2024-11-09 06:01:43,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:01:43,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-09 06:01:43,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:43,220 INFO L225 Difference]: With dead ends: 226 [2024-11-09 06:01:43,221 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 06:01:43,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=40, Invalid=118, Unknown=6, NotChecked=46, Total=210 [2024-11-09 06:01:43,222 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 43 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:43,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 484 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 06:01:43,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 06:01:43,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2024-11-09 06:01:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.271186440677966) internal successors, (150), 119 states have internal predecessors, (150), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:01:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 180 transitions. [2024-11-09 06:01:43,238 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 180 transitions. Word has length 107 [2024-11-09 06:01:43,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:43,239 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 180 transitions. [2024-11-09 06:01:43,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2024-11-09 06:01:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 06:01:43,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:43,241 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:43,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:43,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:43,442 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:43,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash 94403165, now seen corresponding path program 1 times [2024-11-09 06:01:43,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:01:43,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365271124] [2024-11-09 06:01:43,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:43,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:01:43,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:01:43,445 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:01:43,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:01:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:44,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 06:01:44,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:44,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 10 [2024-11-09 06:01:44,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 06:01:44,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 06:01:44,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:01:44,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-09 06:01:44,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:44,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 42 [2024-11-09 06:01:47,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:47,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 40 [2024-11-09 06:01:47,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:47,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-09 06:01:47,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:47,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-09 06:01:48,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:48,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 96 treesize of output 80 [2024-11-09 06:01:49,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:49,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 100 [2024-11-09 06:01:50,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:50,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 105 treesize of output 116 [2024-11-09 06:01:51,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:51,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 132 treesize of output 62 [2024-11-09 06:01:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 18 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 06:01:52,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:01:54,625 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:01:54,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365271124] [2024-11-09 06:01:54,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365271124] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:54,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:01:54,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 26 [2024-11-09 06:01:54,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775199609] [2024-11-09 06:01:54,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:54,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:01:54,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:01:54,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:01:54,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=507, Unknown=1, NotChecked=0, Total=650 [2024-11-09 06:01:54,629 INFO L87 Difference]: Start difference. First operand 137 states and 180 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:01:58,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:00,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:02,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:05,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:07,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:09,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:11,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:13,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:15,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:17,734 INFO L93 Difference]: Finished difference Result 311 states and 409 transitions. [2024-11-09 06:02:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:02:17,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-09 06:02:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:17,738 INFO L225 Difference]: With dead ends: 311 [2024-11-09 06:02:17,739 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 06:02:17,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=157, Invalid=598, Unknown=1, NotChecked=0, Total=756 [2024-11-09 06:02:17,740 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 97 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:17,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 409 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 249 Invalid, 9 Unknown, 0 Unchecked, 22.6s Time] [2024-11-09 06:02:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 06:02:17,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 154. [2024-11-09 06:02:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.2666666666666666) internal successors, (171), 136 states have internal predecessors, (171), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:02:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2024-11-09 06:02:17,755 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 108 [2024-11-09 06:02:17,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:17,756 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2024-11-09 06:02:17,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:02:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2024-11-09 06:02:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 06:02:17,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:17,758 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:02:17,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-09 06:02:17,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:02:17,960 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:17,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash 352568603, now seen corresponding path program 1 times [2024-11-09 06:02:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:02:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168463895] [2024-11-09 06:02:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:17,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:02:17,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:02:17,964 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:02:17,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:02:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:18,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 06:02:18,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:02:18,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-09 06:02:18,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-09 06:02:18,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:18,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:02:18,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:02:18,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-09 06:02:19,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:19,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 32 [2024-11-09 06:02:19,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:19,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 42 [2024-11-09 06:02:21,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:21,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-09 06:02:21,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:21,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-09 06:02:23,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:23,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 106 treesize of output 93 [2024-11-09 06:02:23,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:23,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 106 treesize of output 102 [2024-11-09 06:02:24,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:24,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 120 [2024-11-09 06:02:25,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:25,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 126 treesize of output 62 [2024-11-09 06:02:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 182 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:02:26,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:02:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:02:28,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:02:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168463895] [2024-11-09 06:02:28,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168463895] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:02:28,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:02:28,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [21] total 28 [2024-11-09 06:02:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330640978] [2024-11-09 06:02:28,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:02:28,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:02:28,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:02:28,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:02:28,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=587, Unknown=1, NotChecked=0, Total=756 [2024-11-09 06:02:28,671 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:02:33,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:35,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:37,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:39,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:41,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:43,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:46,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:48,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:49,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:51,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:53,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:54,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:56,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:58,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:58,446 INFO L93 Difference]: Finished difference Result 381 states and 494 transitions. [2024-11-09 06:02:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:02:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-09 06:02:58,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:58,453 INFO L225 Difference]: With dead ends: 381 [2024-11-09 06:02:58,453 INFO L226 Difference]: Without dead ends: 230 [2024-11-09 06:02:58,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=211, Invalid=780, Unknown=1, NotChecked=0, Total=992 [2024-11-09 06:02:58,456 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 123 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 17 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:58,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 466 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 300 Invalid, 5 Unknown, 0 Unchecked, 28.9s Time] [2024-11-09 06:02:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-09 06:02:58,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 179. [2024-11-09 06:02:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.25) internal successors, (200), 161 states have internal predecessors, (200), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:02:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 230 transitions. [2024-11-09 06:02:58,477 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 230 transitions. Word has length 108 [2024-11-09 06:02:58,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:58,478 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 230 transitions. [2024-11-09 06:02:58,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:02:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2024-11-09 06:02:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 06:02:58,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:58,480 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:02:58,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:02:58,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:02:58,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:58,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:58,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2017631199, now seen corresponding path program 1 times [2024-11-09 06:02:58,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:02:58,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021700494] [2024-11-09 06:02:58,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:58,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:02:58,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:02:58,684 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:02:58,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:02:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:59,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 06:02:59,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:02:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:02:59,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 21 [2024-11-09 06:02:59,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:59,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 13 [2024-11-09 06:02:59,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:02:59,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2024-11-09 06:03:01,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:01,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 41 [2024-11-09 06:03:01,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:01,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-11-09 06:03:01,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:01,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-11-09 06:03:02,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:02,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 66 treesize of output 68 [2024-11-09 06:03:02,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:02,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 91 [2024-11-09 06:03:02,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:02,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 116 [2024-11-09 06:03:03,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:03,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 108 treesize of output 44 [2024-11-09 06:03:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 134 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-09 06:03:03,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:03:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:03:03,673 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:03:03,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021700494] [2024-11-09 06:03:03,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021700494] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:03:03,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:03:03,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-09 06:03:03,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351016548] [2024-11-09 06:03:03,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:03:03,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:03:03,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:03:03,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:03:03,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=233, Unknown=1, NotChecked=0, Total=306 [2024-11-09 06:03:03,676 INFO L87 Difference]: Start difference. First operand 179 states and 230 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:03:05,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:03:05,238 INFO L93 Difference]: Finished difference Result 451 states and 575 transitions. [2024-11-09 06:03:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:03:05,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-09 06:03:05,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:03:05,241 INFO L225 Difference]: With dead ends: 451 [2024-11-09 06:03:05,242 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 06:03:05,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=77, Invalid=264, Unknown=1, NotChecked=0, Total=342 [2024-11-09 06:03:05,243 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 28 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:03:05,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 368 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 06:03:05,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 06:03:05,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 226. [2024-11-09 06:03:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 207 states have (on average 1.2173913043478262) internal successors, (252), 208 states have internal predecessors, (252), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:03:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 282 transitions. [2024-11-09 06:03:05,258 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 282 transitions. Word has length 108 [2024-11-09 06:03:05,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:03:05,259 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 282 transitions. [2024-11-09 06:03:05,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:03:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 282 transitions. [2024-11-09 06:03:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:03:05,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:03:05,261 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:03:05,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:03:05,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:03:05,461 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:03:05,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:03:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1315213593, now seen corresponding path program 1 times [2024-11-09 06:03:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:03:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525848702] [2024-11-09 06:03:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:05,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:03:05,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:03:05,464 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:03:05,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-09 06:03:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:05,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 06:03:05,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:03:05,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 21 [2024-11-09 06:03:05,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:05,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 13 [2024-11-09 06:03:05,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:03:06,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-09 06:03:06,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:06,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 43 [2024-11-09 06:03:09,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:09,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 56 [2024-11-09 06:03:13,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:13,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 72 treesize of output 59 [2024-11-09 06:03:17,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:17,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 72 treesize of output 59 [2024-11-09 06:03:22,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:22,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 93 treesize of output 83 [2024-11-09 06:03:23,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:23,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 51 [2024-11-09 06:03:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 152 proven. 39 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 06:03:24,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:03:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:03:26,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:03:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525848702] [2024-11-09 06:03:26,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525848702] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:03:26,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:03:26,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 29 [2024-11-09 06:03:26,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448313312] [2024-11-09 06:03:26,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:03:26,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:03:26,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:03:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:03:26,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=671, Unknown=3, NotChecked=0, Total=812 [2024-11-09 06:03:26,580 INFO L87 Difference]: Start difference. First operand 226 states and 282 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:03:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:03:32,302 INFO L93 Difference]: Finished difference Result 526 states and 653 transitions. [2024-11-09 06:03:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:03:32,303 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-09 06:03:32,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:03:32,306 INFO L225 Difference]: With dead ends: 526 [2024-11-09 06:03:32,306 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 06:03:32,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=182, Invalid=871, Unknown=3, NotChecked=0, Total=1056 [2024-11-09 06:03:32,307 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 210 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:03:32,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 542 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-09 06:03:32,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 06:03:32,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2024-11-09 06:03:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 269 states have (on average 1.2156133828996283) internal successors, (327), 272 states have internal predecessors, (327), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:03:32,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 369 transitions. [2024-11-09 06:03:32,329 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 369 transitions. Word has length 109 [2024-11-09 06:03:32,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:03:32,330 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 369 transitions. [2024-11-09 06:03:32,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:03:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 369 transitions. [2024-11-09 06:03:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:03:32,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:03:32,332 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:03:32,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-09 06:03:32,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:03:32,533 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:03:32,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:03:32,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1534068311, now seen corresponding path program 1 times [2024-11-09 06:03:32,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:03:32,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176166004] [2024-11-09 06:03:32,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:03:32,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:03:32,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:03:32,539 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:03:32,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:03:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:03:33,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-09 06:03:33,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:03:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:03:33,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-09 06:03:33,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-09 06:03:33,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:33,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:03:33,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-09 06:03:33,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-09 06:03:33,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-09 06:03:35,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:35,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 38 [2024-11-09 06:03:39,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:39,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-11-09 06:03:39,996 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:39,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2024-11-09 06:03:41,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:41,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 96 treesize of output 98 [2024-11-09 06:03:41,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:41,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 114 treesize of output 113 [2024-11-09 06:03:42,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:42,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 131 treesize of output 127 [2024-11-09 06:03:42,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:42,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 145 treesize of output 144 [2024-11-09 06:03:45,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:03:45,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 172 treesize of output 72 [2024-11-09 06:03:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 166 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 06:03:58,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:04:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:04:00,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:04:00,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176166004] [2024-11-09 06:04:00,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176166004] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:04:00,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:04:00,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 27 [2024-11-09 06:04:00,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568585536] [2024-11-09 06:04:00,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:00,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:04:00,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:00,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:04:00,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=548, Unknown=3, NotChecked=0, Total=702 [2024-11-09 06:04:00,698 INFO L87 Difference]: Start difference. First operand 297 states and 369 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:04:04,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:06,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:08,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:11,831 INFO L93 Difference]: Finished difference Result 595 states and 738 transitions. [2024-11-09 06:04:11,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:04:11,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-09 06:04:11,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:11,835 INFO L225 Difference]: With dead ends: 595 [2024-11-09 06:04:11,836 INFO L226 Difference]: Without dead ends: 301 [2024-11-09 06:04:11,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=166, Invalid=643, Unknown=3, NotChecked=0, Total=812 [2024-11-09 06:04:11,837 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 63 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:04:11,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 432 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 248 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2024-11-09 06:04:11,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-09 06:04:11,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 285. [2024-11-09 06:04:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 257 states have (on average 1.2178988326848248) internal successors, (313), 260 states have internal predecessors, (313), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:04:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 355 transitions. [2024-11-09 06:04:11,866 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 355 transitions. Word has length 109 [2024-11-09 06:04:11,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:11,867 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 355 transitions. [2024-11-09 06:04:11,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:04:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 355 transitions. [2024-11-09 06:04:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:04:11,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:11,869 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:11,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:12,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:12,070 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:12,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1743831467, now seen corresponding path program 1 times [2024-11-09 06:04:12,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:04:12,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938703484] [2024-11-09 06:04:12,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:12,071 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 06:04:12,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:04:12,073 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:12,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:12,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 06:04:12,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:04:12,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 21 [2024-11-09 06:04:12,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2024-11-09 06:04:12,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:12,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:04:12,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:04:13,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-09 06:04:13,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:13,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 53 [2024-11-09 06:04:15,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:15,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 62 treesize of output 74 [2024-11-09 06:04:20,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:20,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2024-11-09 06:04:21,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:21,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 80 [2024-11-09 06:04:22,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:22,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 114 treesize of output 104 [2024-11-09 06:04:23,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:23,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 124 [2024-11-09 06:04:23,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:23,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 141 [2024-11-09 06:04:25,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:25,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 158 treesize of output 70 [2024-11-09 06:04:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 152 proven. 39 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 06:04:29,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:04:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:04:32,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:04:32,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938703484] [2024-11-09 06:04:32,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938703484] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:04:32,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:04:32,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [23] total 30 [2024-11-09 06:04:32,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036143500] [2024-11-09 06:04:32,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:32,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:04:32,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:32,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:04:32,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=698, Unknown=3, NotChecked=0, Total=870 [2024-11-09 06:04:32,514 INFO L87 Difference]: Start difference. First operand 285 states and 355 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:04:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:43,437 INFO L93 Difference]: Finished difference Result 614 states and 764 transitions. [2024-11-09 06:04:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:04:43,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-09 06:04:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:43,443 INFO L225 Difference]: With dead ends: 614 [2024-11-09 06:04:43,443 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 06:04:43,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=199, Invalid=854, Unknown=3, NotChecked=0, Total=1056 [2024-11-09 06:04:43,445 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 147 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:04:43,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 410 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2024-11-09 06:04:43,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 06:04:43,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 287. [2024-11-09 06:04:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 259 states have (on average 1.2162162162162162) internal successors, (315), 262 states have internal predecessors, (315), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:04:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 357 transitions. [2024-11-09 06:04:43,472 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 357 transitions. Word has length 109 [2024-11-09 06:04:43,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:43,473 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 357 transitions. [2024-11-09 06:04:43,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:04:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 357 transitions. [2024-11-09 06:04:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:04:43,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:43,475 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:43,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:43,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:43,676 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:43,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:43,676 INFO L85 PathProgramCache]: Analyzing trace with hash -521719232, now seen corresponding path program 1 times [2024-11-09 06:04:43,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:04:43,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084491668] [2024-11-09 06:04:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:43,677 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 06:04:43,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:04:43,680 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:43,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-09 06:04:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:44,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 06:04:44,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:44,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:04:44,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-09 06:04:44,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2024-11-09 06:04:44,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:44,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2024-11-09 06:04:44,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:44,874 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 87 treesize of output 41 [2024-11-09 06:04:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-09 06:04:45,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:04:45,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:04:45,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084491668] [2024-11-09 06:04:45,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084491668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:04:45,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:04:45,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 06:04:45,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469150461] [2024-11-09 06:04:45,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:45,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:04:45,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:45,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:04:45,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:04:45,009 INFO L87 Difference]: Start difference. First operand 287 states and 357 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:04:49,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:49,083 INFO L93 Difference]: Finished difference Result 305 states and 378 transitions. [2024-11-09 06:04:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 06:04:49,084 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 109 [2024-11-09 06:04:49,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:49,087 INFO L225 Difference]: With dead ends: 305 [2024-11-09 06:04:49,087 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 06:04:49,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-09 06:04:49,088 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 134 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:04:49,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 325 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 06:04:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 06:04:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2024-11-09 06:04:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 271 states have (on average 1.2066420664206643) internal successors, (327), 274 states have internal predecessors, (327), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:04:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 369 transitions. [2024-11-09 06:04:49,115 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 369 transitions. Word has length 109 [2024-11-09 06:04:49,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:49,115 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 369 transitions. [2024-11-09 06:04:49,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:04:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 369 transitions. [2024-11-09 06:04:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:04:49,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:49,118 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:49,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-09 06:04:49,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:49,319 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:49,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:49,319 INFO L85 PathProgramCache]: Analyzing trace with hash -519872190, now seen corresponding path program 1 times [2024-11-09 06:04:49,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:04:49,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827151764] [2024-11-09 06:04:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:49,320 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 06:04:49,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:04:49,321 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:49,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-09 06:04:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:49,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:04:49,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:04:49,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:04:49,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:04:49,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827151764] [2024-11-09 06:04:49,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827151764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:04:49,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:04:49,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:04:49,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587081680] [2024-11-09 06:04:49,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:49,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:04:49,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:49,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:04:49,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:04:49,676 INFO L87 Difference]: Start difference. First operand 299 states and 369 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:04:49,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:49,768 INFO L93 Difference]: Finished difference Result 607 states and 751 transitions. [2024-11-09 06:04:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:04:49,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-09 06:04:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:49,771 INFO L225 Difference]: With dead ends: 607 [2024-11-09 06:04:49,771 INFO L226 Difference]: Without dead ends: 311 [2024-11-09 06:04:49,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 06:04:49,773 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 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 06:04:49,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:04:49,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-09 06:04:49,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-09 06:04:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 283 states have (on average 1.197879858657244) internal successors, (339), 286 states have internal predecessors, (339), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:04:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 381 transitions. [2024-11-09 06:04:49,800 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 381 transitions. Word has length 109 [2024-11-09 06:04:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:49,801 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 381 transitions. [2024-11-09 06:04:49,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:04:49,802 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 381 transitions. [2024-11-09 06:04:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:04:49,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:49,804 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:49,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-09 06:04:50,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:50,004 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:50,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1540018579, now seen corresponding path program 1 times [2024-11-09 06:04:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:04:50,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660596121] [2024-11-09 06:04:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:50,006 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 06:04:50,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:04:50,007 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:50,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:04:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:50,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 06:04:50,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:50,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:04:50,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-09 06:04:50,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:50,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 17 [2024-11-09 06:04:50,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:04:50,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-09 06:04:52,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:52,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 48 [2024-11-09 06:04:57,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:57,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 61 treesize of output 54 [2024-11-09 06:04:57,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:57,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 56 treesize of output 64 [2024-11-09 06:04:58,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:58,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 68 [2024-11-09 06:04:58,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:58,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 79 [2024-11-09 06:04:58,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:58,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 105 [2024-11-09 06:04:59,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:04:59,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 42 [2024-11-09 06:04:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 166 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 06:04:59,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:04:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 06:04:59,538 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:04:59,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660596121] [2024-11-09 06:04:59,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660596121] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:04:59,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:04:59,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-09 06:04:59,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297914276] [2024-11-09 06:04:59,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:59,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:04:59,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:04:59,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=258, Unknown=3, NotChecked=0, Total=342 [2024-11-09 06:04:59,540 INFO L87 Difference]: Start difference. First operand 311 states and 381 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:05:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:00,552 INFO L93 Difference]: Finished difference Result 639 states and 782 transitions. [2024-11-09 06:05:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:05:00,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-09 06:05:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:00,555 INFO L225 Difference]: With dead ends: 639 [2024-11-09 06:05:00,555 INFO L226 Difference]: Without dead ends: 331 [2024-11-09 06:05:00,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=86, Invalid=291, Unknown=3, NotChecked=0, Total=380 [2024-11-09 06:05:00,557 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 31 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:05:00,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 297 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 06:05:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-09 06:05:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 299. [2024-11-09 06:05:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 271 states have (on average 1.1918819188191883) internal successors, (323), 274 states have internal predecessors, (323), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 06:05:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 365 transitions. [2024-11-09 06:05:00,584 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 365 transitions. Word has length 109 [2024-11-09 06:05:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:00,584 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 365 transitions. [2024-11-09 06:05:00,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 06:05:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 365 transitions. [2024-11-09 06:05:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:05:00,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:00,586 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:00,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:05:00,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:05:00,787 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:00,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:00,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1063905941, now seen corresponding path program 1 times [2024-11-09 06:05:00,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:00,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730407650] [2024-11-09 06:05:00,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:00,788 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 06:05:00,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:00,789 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:05:00,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:05:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:01,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 06:05:01,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:01,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 10 [2024-11-09 06:05:01,211 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 21 treesize of output 9 [2024-11-09 06:05:01,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:05:01,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-09 06:05:02,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:02,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 47 [2024-11-09 06:05:04,443 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:04,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 50 [2024-11-09 06:05:06,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:06,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 50 [2024-11-09 06:05:09,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:09,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 60 [2024-11-09 06:05:10,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:10,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 95 treesize of output 85 [2024-11-09 06:05:11,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:11,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 92 treesize of output 38 [2024-11-09 06:05:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 161 proven. 39 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:05:13,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:05:16,797 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:05:16,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730407650] [2024-11-09 06:05:16,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730407650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:05:16,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1806250368] [2024-11-09 06:05:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:16,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:05:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:05:16,799 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:05:16,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 06:05:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:18,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 06:05:18,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:18,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 06:05:20,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2024-11-09 06:05:20,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2024-11-09 06:05:21,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-09 06:05:21,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-09 06:05:24,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:24,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 51 [2024-11-09 06:05:27,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:05:27,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 36 [2024-11-09 06:05:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 150 proven. 18 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 06:05:44,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:06:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1806250368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:06:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308085497] [2024-11-09 06:06:08,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:06:08,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:06:08,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:06:08,789 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:06:08,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c84a14-5a22-42de-97e5-16b086cbffc5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 06:06:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:06:09,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:06:09,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:06:09,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 10 [2024-11-09 06:06:09,150 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 21 treesize of output 9 [2024-11-09 06:06:12,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-09 06:06:17,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:06:17,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 49 [2024-11-09 06:06:31,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:06:31,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 68 treesize of output 65 [2024-11-09 06:06:46,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:06:46,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 68 [2024-11-09 06:06:47,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:06:47,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 78 [2024-11-09 06:07:11,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:07:11,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 95 treesize of output 103 [2024-11-09 06:07:20,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:07:20,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 119 treesize of output 53 [2024-11-09 06:07:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 166 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 06:07:23,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:07:24,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308085497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:07:24,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:07:24,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16, 20] total 52 [2024-11-09 06:07:24,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480098614] [2024-11-09 06:07:24,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:07:24,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-09 06:07:24,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:07:24,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-09 06:07:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=4222, Unknown=26, NotChecked=0, Total=4692 [2024-11-09 06:07:24,187 INFO L87 Difference]: Start difference. First operand 299 states and 365 transitions. Second operand has 53 states, 48 states have (on average 3.7291666666666665) internal successors, (179), 49 states have internal predecessors, (179), 18 states have call successors, (31), 16 states have call predecessors, (31), 18 states have return successors, (31), 13 states have call predecessors, (31), 18 states have call successors, (31) [2024-11-09 06:07:53,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:07:55,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:07:57,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:07:59,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:01,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:14,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:16,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:18,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:20,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:22,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:35,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:37,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:39,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:41,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:43,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:45,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:47,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:49,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:51,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:08:54,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:06,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:08,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:10,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:12,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:14,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:27,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:29,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:31,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:33,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:35,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:38,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:40,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:42,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:44,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:46,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:53,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:55,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:09:57,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:06,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:08,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:10,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:19,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:21,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:23,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:25,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:27,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:29,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:38,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:40,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:42,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:51,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:53,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:55,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:57,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:59,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:01,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:04,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:25,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:27,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:29,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:31,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:34,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:36,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:39,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:41,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:43,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:52,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:11:54,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:12:03,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:12:05,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:13:24,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:13:51,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:13:54,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:05,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:06,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:09,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:16,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:18,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:25,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:26,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:43,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:46,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:47,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:14:52,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]