./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.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_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/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_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/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_df40cb9b-8734-463c-804d-d6a227e60299/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 7a1b99a13fe789fcacb85c536e70757eaddea3ef4c22e9aee449ecb3b551f3f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:16:04,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:16:04,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:16:04,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:16:04,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:16:04,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:16:04,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:16:04,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:16:04,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:16:04,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:16:04,470 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:16:04,470 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:16:04,471 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:16:04,471 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:16:04,472 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:16:04,472 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:16:04,473 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:16:04,474 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:16:04,474 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:16:04,475 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:16:04,476 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:16:04,480 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:16:04,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:16:04,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:16:04,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:16:04,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:16:04,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:16:04,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:16:04,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:16:04,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:16:04,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:16:04,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:16:04,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:16:04,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:16:04,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:16:04,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:16:04,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:16:04,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:16:04,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:04,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:16:04,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:16:04,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:16:04,507 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:16:04,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:16:04,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:16:04,509 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:16:04,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:16:04,510 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_df40cb9b-8734-463c-804d-d6a227e60299/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a1b99a13fe789fcacb85c536e70757eaddea3ef4c22e9aee449ecb3b551f3f3 [2024-11-09 06:16:04,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:16:04,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:16:04,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:16:04,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:16:04,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:16:04,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i Unable to find full path for "g++" [2024-11-09 06:16:07,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:16:08,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:16:08,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i [2024-11-09 06:16:08,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data/758d7202e/481b69b7e64c41e985a1629882dc144f/FLAGf39339cc2 [2024-11-09 06:16:08,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data/758d7202e/481b69b7e64c41e985a1629882dc144f [2024-11-09 06:16:08,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:16:08,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:16:08,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:08,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:16:08,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:16:08,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b68a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08, skipping insertion in model container [2024-11-09 06:16:08,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:16:08,466 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_df40cb9b-8734-463c-804d-d6a227e60299/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i[916,929] [2024-11-09 06:16:08,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:08,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:16:08,634 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_df40cb9b-8734-463c-804d-d6a227e60299/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i[916,929] [2024-11-09 06:16:08,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:08,766 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:16:08,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08 WrapperNode [2024-11-09 06:16:08,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:08,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:08,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:16:08,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:16:08,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,874 INFO L138 Inliner]: procedures = 29, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 543 [2024-11-09 06:16:08,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:08,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:16:08,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:16:08,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:16:08,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:08,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:09,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:09,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:09,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:09,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:09,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:16:09,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:16:09,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:16:09,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:16:09,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (1/1) ... [2024-11-09 06:16:09,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:09,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:09,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:16:09,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:16:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:16:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 06:16:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:16:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 06:16:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:16:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 06:16:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:16:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:16:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:16:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:16:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:16:09,408 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:16:09,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:16:10,392 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-09 06:16:10,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:16:11,126 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:16:11,127 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:16:11,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:11 BoogieIcfgContainer [2024-11-09 06:16:11,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:16:11,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:16:11,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:16:11,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:16:11,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:16:08" (1/3) ... [2024-11-09 06:16:11,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f62ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:11, skipping insertion in model container [2024-11-09 06:16:11,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:08" (2/3) ... [2024-11-09 06:16:11,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f62ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:11, skipping insertion in model container [2024-11-09 06:16:11,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:11" (3/3) ... [2024-11-09 06:16:11,145 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-72.i [2024-11-09 06:16:11,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:16:11,170 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:16:11,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:16:11,276 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;@321b182a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:16:11,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:16:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:16:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 06:16:11,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:11,295 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:11,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:11,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash 136746922, now seen corresponding path program 1 times [2024-11-09 06:16:11,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:16:11,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603116881] [2024-11-09 06:16:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:11,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:16:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:16:13,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:16:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:16:14,375 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:16:14,377 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:16:14,380 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:16:14,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:16:14,388 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:16:14,540 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:16:14,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:16:14 BoogieIcfgContainer [2024-11-09 06:16:14,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:16:14,548 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:16:14,548 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:16:14,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:16:14,549 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:11" (3/4) ... [2024-11-09 06:16:14,552 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:16:14,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:16:14,555 INFO L158 Benchmark]: Toolchain (without parser) took 6389.18ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 92.1MB in the beginning and 51.4MB in the end (delta: 40.7MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2024-11-09 06:16:14,556 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:16:14,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.16ms. Allocated memory is still 151.0MB. Free memory was 92.1MB in the beginning and 75.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:16:14,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.09ms. Allocated memory is still 151.0MB. Free memory was 75.3MB in the beginning and 71.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:16:14,559 INFO L158 Benchmark]: Boogie Preprocessor took 175.37ms. Allocated memory is still 151.0MB. Free memory was 71.3MB in the beginning and 118.0MB in the end (delta: -46.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-09 06:16:14,561 INFO L158 Benchmark]: RCFGBuilder took 2077.97ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 72.2MB in the end (delta: 45.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-09 06:16:14,562 INFO L158 Benchmark]: TraceAbstraction took 3412.61ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 71.3MB in the beginning and 51.4MB in the end (delta: 19.9MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2024-11-09 06:16:14,562 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 203.4MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:16:14,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.16ms. Allocated memory is still 151.0MB. Free memory was 92.1MB in the beginning and 75.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.09ms. Allocated memory is still 151.0MB. Free memory was 75.3MB in the beginning and 71.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.37ms. Allocated memory is still 151.0MB. Free memory was 71.3MB in the beginning and 118.0MB in the end (delta: -46.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2077.97ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 72.2MB in the end (delta: 45.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3412.61ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 71.3MB in the beginning and 51.4MB in the end (delta: 19.9MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 203.4MB. Free memory is still 51.4MB. 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 52, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryArithmeticDOUBLEoperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 1} }; [L25-L27] double double_Array_0[5] = { 100000000000.4, 100000000000.2, 256.4, 50.5, 9.5 }; [L28-L30] float float_Array_0[1] = { 0.25 }; [L31-L33] signed char signed_char_Array_0[5] = { -2, -10, 4, -16, 4 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 2 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 10000 }; [L40] unsigned char last_1_BOOL_unsigned_char_Array_0_1__1_ = 1; [L41] double last_1_double_Array_0_2_ = 256.4; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L93] EXPR BOOL_unsigned_char_Array_0[1][1] [L93] last_1_BOOL_unsigned_char_Array_0_1__1_ = BOOL_unsigned_char_Array_0[1][1] [L94] EXPR double_Array_0[2] [L94] last_1_double_Array_0_2_ = double_Array_0[2] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L64] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L65] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L66] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L67] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] double_Array_0[1] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[1] [L74] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L74] EXPR double_Array_0[1] [L74] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L74] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] double_Array_0[3] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F [L76] EXPR (double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F [L76] EXPR (double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not((double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] double_Array_0[4] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[4] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L78] EXPR double_Array_0[4] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L78] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] float_Array_0[0] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L80] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(float_Array_0[0] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(float_Array_0[0] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L83] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_char_Array_0[0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] signed_char_Array_0[4] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[4] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_char_Array_0[4] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L105] RET updateVariables() [L106] CALL step() [L45] BOOL_unsigned_char_Array_0[0][0] [L45] COND FALSE !(BOOL_unsigned_char_Array_0[0][0]) [L48] EXPR signed_char_Array_0[0] [L48] EXPR signed_char_Array_0[1] [L48] EXPR signed_char_Array_0[4] [L48] EXPR (((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])) [L48] EXPR signed_char_Array_0[0] [L48] EXPR signed_char_Array_0[1] [L48] EXPR (((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])) [L48] signed_char_Array_0[3] = (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])))) [L49] EXPR double_Array_0[4] [L49] double_Array_0[0] = double_Array_0[4] [L50] signed_char_Array_0[2] = 1 [L51] unsigned_short_int_Array_0[0] = 10 [L52] EXPR double_Array_0[0] [L52] EXPR double_Array_0[0] [L52] EXPR float_Array_0[0] [L52] EXPR double_Array_0[0] [L52] COND FALSE !((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) [L59] EXPR double_Array_0[0] [L59] EXPR double_Array_0[2] [L59] EXPR double_Array_0[2] [L59] EXPR ((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]) [L59] EXPR double_Array_0[2] [L59] EXPR ((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]) [L59] EXPR double_Array_0[2] [L59] COND TRUE double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2]) [L60] EXPR BOOL_unsigned_char_Array_0[0][1] [L60] EXPR BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0]) [L60] EXPR last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0] [L60] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0] [L60] EXPR BOOL_unsigned_char_Array_0[0][0] [L60] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0] [L60] EXPR BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0]) [L60] BOOL_unsigned_char_Array_0[1][1] = (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])) [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR double_Array_0[0] [L97] EXPR double_Array_0[2] [L97] EXPR double_Array_0[2] [L97] EXPR ((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]) [L97] EXPR double_Array_0[2] [L97] EXPR ((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]) [L97] EXPR double_Array_0[2] [L97] EXPR (double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1 [L97] EXPR BOOL_unsigned_char_Array_0[1][1] [L97] EXPR BOOL_unsigned_char_Array_0[0][1] [L97] EXPR BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0]) [L97] EXPR last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0] [L97] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0] [L97] EXPR BOOL_unsigned_char_Array_0[0][0] [L97] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0] [L97] EXPR BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0]) [L97] EXPR (double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1 [L97] EXPR ((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1) [L97] EXPR BOOL_unsigned_char_Array_0[0][0] [L97] EXPR BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1 [L97] EXPR ((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1) [L97] EXPR (((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])))))) [L97] EXPR signed_char_Array_0[3] [L97] EXPR signed_char_Array_0[0] [L97] EXPR signed_char_Array_0[1] [L97] EXPR signed_char_Array_0[4] [L97] EXPR (((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])) [L97] EXPR signed_char_Array_0[0] [L97] EXPR signed_char_Array_0[1] [L97] EXPR (((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])) [L97] EXPR (((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4])))))) [L97] EXPR ((((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4]))))))) && (((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1) [L97] EXPR double_Array_0[0] [L97] EXPR double_Array_0[0] [L97] EXPR float_Array_0[0] [L97] EXPR double_Array_0[0] [L97] EXPR ((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1 [L97] EXPR double_Array_0[0] [L97] EXPR (double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4])))))) [L97] EXPR double_Array_0[2] [L97] EXPR double_Array_0[1] [L97] EXPR double_Array_0[3] [L97] EXPR double_Array_0[4] [L97] EXPR (((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12) [L97] EXPR (double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4])))))) [L97] EXPR ((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1 [L97] EXPR ((((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4]))))))) && (((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1) [L97] EXPR (((((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4]))))))) && (((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1)) && (double_Array_0[0] == ((double) double_Array_0[4])) [L97] EXPR ((((((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4]))))))) && (((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1)) && (double_Array_0[0] == ((double) double_Array_0[4]))) && (signed_char_Array_0[2] == ((signed char) 1)) [L97] EXPR (((((((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4]))))))) && (((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1)) && (double_Array_0[0] == ((double) double_Array_0[4]))) && (signed_char_Array_0[2] == ((signed char) 1))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) 10)) [L97-L98] return (((((((double_Array_0[0] < (((((double_Array_0[2]) < (double_Array_0[2])) ? (double_Array_0[2]) : (double_Array_0[2]))) * double_Array_0[2])) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && ((last_1_BOOL_unsigned_char_Array_0_1__1_ || BOOL_unsigned_char_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0][0])))) : 1) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 2u)) : 1)) && (signed_char_Array_0[3] == ((signed char) (((((signed_char_Array_0[0] + signed_char_Array_0[1])) < ((10 - signed_char_Array_0[4]))) ? ((signed_char_Array_0[0] + signed_char_Array_0[1])) : ((10 - signed_char_Array_0[4]))))))) && (((double_Array_0[0] + (double_Array_0[0] / float_Array_0[0])) == double_Array_0[0]) ? ((double_Array_0[0] >= last_1_double_Array_0_2_) ? (double_Array_0[2] == ((double) (double_Array_0[1] - (((((double_Array_0[3] + double_Array_0[4])) < (9.9999999999995E12)) ? ((double_Array_0[3] + double_Array_0[4])) : (9.9999999999995E12)))))) : (double_Array_0[2] == ((double) ((((double_Array_0[1]) < ((5.75 + double_Array_0[4]))) ? (double_Array_0[1]) : ((5.75 + double_Array_0[4]))))))) : 1)) && (double_Array_0[0] == ((double) double_Array_0[4]))) && (signed_char_Array_0[2] == ((signed char) 1))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) 10)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=1, last_1_double_Array_0_2_=1282/5, signed_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 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 06:16:14,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/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_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/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_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/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_df40cb9b-8734-463c-804d-d6a227e60299/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 7a1b99a13fe789fcacb85c536e70757eaddea3ef4c22e9aee449ecb3b551f3f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:16:17,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:16:18,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:16:18,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:16:18,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:16:18,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:16:18,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:16:18,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:16:18,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:16:18,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:16:18,130 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:16:18,131 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:16:18,132 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:16:18,132 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:16:18,133 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:16:18,136 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:16:18,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:16:18,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:16:18,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:16:18,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:16:18,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:16:18,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:16:18,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:16:18,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:16:18,147 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:16:18,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:16:18,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:16:18,151 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:16:18,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:16:18,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:16:18,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:16:18,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:16:18,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:16:18,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:16:18,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:16:18,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:18,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:16:18,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:16:18,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:16:18,160 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:16:18,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:16:18,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:16:18,162 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:16:18,162 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_df40cb9b-8734-463c-804d-d6a227e60299/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a1b99a13fe789fcacb85c536e70757eaddea3ef4c22e9aee449ecb3b551f3f3 [2024-11-09 06:16:18,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:16:18,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:16:18,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:16:18,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:16:18,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:16:18,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i Unable to find full path for "g++" [2024-11-09 06:16:21,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:16:21,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:16:21,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i [2024-11-09 06:16:21,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data/c4e3b2de2/540d069b366743dba3ba3d14c0fd84d7/FLAG6d1fecc37 [2024-11-09 06:16:22,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/data/c4e3b2de2/540d069b366743dba3ba3d14c0fd84d7 [2024-11-09 06:16:22,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:16:22,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:16:22,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:22,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:16:22,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:16:22,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:22,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba30ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22, skipping insertion in model container [2024-11-09 06:16:22,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:22,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:16:22,560 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_df40cb9b-8734-463c-804d-d6a227e60299/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i[916,929] [2024-11-09 06:16:22,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:22,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:16:22,732 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_df40cb9b-8734-463c-804d-d6a227e60299/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-72.i[916,929] [2024-11-09 06:16:22,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:16:22,932 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:16:22,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22 WrapperNode [2024-11-09 06:16:22,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:16:22,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:22,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:16:22,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:16:22,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:22,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,065 INFO L138 Inliner]: procedures = 39, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 540 [2024-11-09 06:16:23,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:16:23,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:16:23,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:16:23,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:16:23,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:16:23,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:16:23,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:16:23,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:16:23,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (1/1) ... [2024-11-09 06:16:23,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:16:23,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:23,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:16:23,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:16:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:16:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 06:16:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 06:16:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:16:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-09 06:16:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:16:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 06:16:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 06:16:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 06:16:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:16:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 06:16:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 06:16:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 06:16:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:16:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:16:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:16:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:16:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:16:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 06:16:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:16:23,534 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:16:23,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:16:45,613 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-09 06:16:45,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:16:45,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:16:45,644 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:16:45,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:45 BoogieIcfgContainer [2024-11-09 06:16:45,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:16:45,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:16:45,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:16:45,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:16:45,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:16:22" (1/3) ... [2024-11-09 06:16:45,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c25e24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:45, skipping insertion in model container [2024-11-09 06:16:45,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:16:22" (2/3) ... [2024-11-09 06:16:45,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c25e24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:16:45, skipping insertion in model container [2024-11-09 06:16:45,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:16:45" (3/3) ... [2024-11-09 06:16:45,659 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-72.i [2024-11-09 06:16:45,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:16:45,684 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:16:45,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:16:45,782 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;@4f560ed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:16:45,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:16:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:16:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 06:16:45,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:45,817 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:45,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:45,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1019435807, now seen corresponding path program 1 times [2024-11-09 06:16:45,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:45,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844160141] [2024-11-09 06:16:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:45,850 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 06:16:45,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:45,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:45,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:47,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:16:47,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:16:47,794 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:16:47,795 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:47,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844160141] [2024-11-09 06:16:47,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844160141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:47,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:16:47,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:16:47,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247137239] [2024-11-09 06:16:47,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:47,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:16:47,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:47,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:16:47,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:16:47,843 INFO L87 Difference]: Start difference. First operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:16:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:47,895 INFO L93 Difference]: Finished difference Result 249 states and 385 transitions. [2024-11-09 06:16:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:16:47,899 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-09 06:16:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:47,907 INFO L225 Difference]: With dead ends: 249 [2024-11-09 06:16:47,907 INFO L226 Difference]: Without dead ends: 124 [2024-11-09 06:16:47,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:16:47,914 INFO L432 NwaCegarLoop]: 180 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, 180 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 06:16:47,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:16:47,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-09 06:16:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-09 06:16:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:16:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2024-11-09 06:16:47,966 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 149 [2024-11-09 06:16:47,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:47,966 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2024-11-09 06:16:47,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:16:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2024-11-09 06:16:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 06:16:47,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:47,972 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:48,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:48,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:48,173 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:48,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:48,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1689462407, now seen corresponding path program 1 times [2024-11-09 06:16:48,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:48,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30746954] [2024-11-09 06:16:48,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:48,177 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 06:16:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:48,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:48,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:49,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:16:49,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:16:50,053 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:16:50,054 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:50,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30746954] [2024-11-09 06:16:50,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30746954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:50,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:16:50,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:16:50,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914416264] [2024-11-09 06:16:50,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:50,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:16:50,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:50,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:16:50,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:16:50,060 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:16:50,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:50,941 INFO L93 Difference]: Finished difference Result 247 states and 360 transitions. [2024-11-09 06:16:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:16:50,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-09 06:16:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:50,947 INFO L225 Difference]: With dead ends: 247 [2024-11-09 06:16:50,947 INFO L226 Difference]: Without dead ends: 126 [2024-11-09 06:16:50,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:16:50,951 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:16:50,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 06:16:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-09 06:16:50,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-09 06:16:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:16:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-09 06:16:50,974 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 149 [2024-11-09 06:16:50,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:50,982 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-09 06:16:50,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:16:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-09 06:16:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:16:50,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:50,989 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:51,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:51,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:51,191 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:51,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1496837038, now seen corresponding path program 1 times [2024-11-09 06:16:51,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:51,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803991515] [2024-11-09 06:16:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:51,199 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 06:16:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:51,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:51,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:53,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:16:53,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:16:53,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:16:53,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:53,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803991515] [2024-11-09 06:16:53,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803991515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:53,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:16:53,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:16:53,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864475813] [2024-11-09 06:16:53,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:53,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:16:53,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:53,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:16:53,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:16:53,845 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:16:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:55,331 INFO L93 Difference]: Finished difference Result 256 states and 371 transitions. [2024-11-09 06:16:55,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:16:55,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-09 06:16:55,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:55,337 INFO L225 Difference]: With dead ends: 256 [2024-11-09 06:16:55,337 INFO L226 Difference]: Without dead ends: 133 [2024-11-09 06:16:55,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:16:55,341 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:16:55,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 844 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 06:16:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-09 06:16:55,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-11-09 06:16:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:16:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2024-11-09 06:16:55,362 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 151 [2024-11-09 06:16:55,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:55,363 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2024-11-09 06:16:55,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:16:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2024-11-09 06:16:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:16:55,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:55,368 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:55,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 06:16:55,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:55,569 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:55,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash -816778668, now seen corresponding path program 1 times [2024-11-09 06:16:55,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:55,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144242516] [2024-11-09 06:16:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:55,572 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 06:16:55,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:55,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:55,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:57,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:16:57,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:16:58,147 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:16:58,147 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:16:58,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144242516] [2024-11-09 06:16:58,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144242516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:16:58,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:16:58,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:16:58,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693123186] [2024-11-09 06:16:58,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:16:58,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:16:58,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:16:58,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:16:58,153 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:16:58,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:16:58,815 INFO L93 Difference]: Finished difference Result 264 states and 377 transitions. [2024-11-09 06:16:58,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:16:58,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-09 06:16:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:16:58,819 INFO L225 Difference]: With dead ends: 264 [2024-11-09 06:16:58,819 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 06:16:58,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:16:58,822 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:16:58,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1001 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 06:16:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 06:16:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-11-09 06:16:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:16:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2024-11-09 06:16:58,839 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 151 [2024-11-09 06:16:58,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:16:58,840 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2024-11-09 06:16:58,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:16:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2024-11-09 06:16:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:16:58,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:16:58,845 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:16:58,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 06:16:59,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:59,046 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:16:59,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:16:59,047 INFO L85 PathProgramCache]: Analyzing trace with hash 958228694, now seen corresponding path program 1 times [2024-11-09 06:16:59,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:16:59,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46528997] [2024-11-09 06:16:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:59,049 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 06:16:59,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:16:59,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:16:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:17:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:00,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 06:17:00,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:17:01,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:17:01,568 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:17:01,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46528997] [2024-11-09 06:17:01,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46528997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:17:01,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:17:01,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 06:17:01,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247365303] [2024-11-09 06:17:01,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:17:01,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:17:01,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:17:01,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:17:01,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:17:01,573 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:17:02,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:02,518 INFO L93 Difference]: Finished difference Result 268 states and 381 transitions. [2024-11-09 06:17:02,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:17:02,519 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-09 06:17:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:02,526 INFO L225 Difference]: With dead ends: 268 [2024-11-09 06:17:02,526 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 06:17:02,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:17:02,528 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:02,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1160 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 06:17:02,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 06:17:02,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-09 06:17:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:17:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 192 transitions. [2024-11-09 06:17:02,545 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 192 transitions. Word has length 151 [2024-11-09 06:17:02,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:02,547 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 192 transitions. [2024-11-09 06:17:02,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:17:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 192 transitions. [2024-11-09 06:17:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:17:02,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:02,558 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:17:02,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:17:02,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:17:02,759 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:17:02,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 960075736, now seen corresponding path program 1 times [2024-11-09 06:17:02,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:17:02,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435524807] [2024-11-09 06:17:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:02,764 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 06:17:02,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:17:02,766 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:17:02,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:17:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:04,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:17:04,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:05,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:17:05,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 06:17:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-09 06:17:06,118 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:17:06,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:17:06,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435524807] [2024-11-09 06:17:06,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435524807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:17:06,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:17:06,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:17:06,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25957618] [2024-11-09 06:17:06,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:17:06,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:17:06,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:17:06,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:17:06,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:17:06,123 INFO L87 Difference]: Start difference. First operand 136 states and 192 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:17:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:12,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:14,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:16,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:18,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:20,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:22,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:24,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:29,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:32,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:33,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:35,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:37,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:39,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:41,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:43,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:45,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:47,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:49,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:51,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:53,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:55,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:17:57,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:00,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:02,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:04,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:06,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:08,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:09,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:09,006 INFO L93 Difference]: Finished difference Result 270 states and 382 transitions. [2024-11-09 06:18:09,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:18:09,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-11-09 06:18:09,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:09,010 INFO L225 Difference]: With dead ends: 270 [2024-11-09 06:18:09,010 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 06:18:09,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:18:09,013 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 154 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 1 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:09,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 485 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 205 Invalid, 24 Unknown, 0 Unchecked, 62.6s Time] [2024-11-09 06:18:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 06:18:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-09 06:18:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 117 states have internal predecessors, (157), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:18:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2024-11-09 06:18:09,028 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 191 transitions. Word has length 151 [2024-11-09 06:18:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:09,029 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 191 transitions. [2024-11-09 06:18:09,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:18:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2024-11-09 06:18:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 06:18:09,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:09,034 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:09,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 06:18:09,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:18:09,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:09,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:09,235 INFO L85 PathProgramCache]: Analyzing trace with hash 474204594, now seen corresponding path program 1 times [2024-11-09 06:18:09,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:18:09,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168191438] [2024-11-09 06:18:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:09,236 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 06:18:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:18:09,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:18:09,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:18:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:11,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:18:11,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:18:12,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:18:12,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 06:18:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 06:18:12,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:18:12,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:18:12,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168191438] [2024-11-09 06:18:12,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168191438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:12,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:12,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:18:12,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061353046] [2024-11-09 06:18:12,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:12,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:18:12,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:18:12,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:18:12,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:18:12,683 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:18:16,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:18,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:20,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:22,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:25,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:27,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:29,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:31,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:33,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:36,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:37,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:39,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:41,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:43,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:45,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:47,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:49,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:51,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:54,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:56,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:18:58,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:00,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:02,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:04,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:06,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:08,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:11,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:19:11,220 INFO L93 Difference]: Finished difference Result 270 states and 380 transitions. [2024-11-09 06:19:11,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:19:11,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-09 06:19:11,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:19:11,223 INFO L225 Difference]: With dead ends: 270 [2024-11-09 06:19:11,224 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 06:19:11,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:19:11,226 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 145 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:19:11,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 481 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 23 Unknown, 0 Unchecked, 58.3s Time] [2024-11-09 06:19:11,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 06:19:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-09 06:19:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:19:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 190 transitions. [2024-11-09 06:19:11,239 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 190 transitions. Word has length 153 [2024-11-09 06:19:11,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:19:11,240 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 190 transitions. [2024-11-09 06:19:11,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:19:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 190 transitions. [2024-11-09 06:19:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 06:19:11,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:19:11,244 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:19:11,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 06:19:11,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:19:11,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:19:11,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:19:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2027853544, now seen corresponding path program 1 times [2024-11-09 06:19:11,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:19:11,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838492960] [2024-11-09 06:19:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:19:11,447 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 06:19:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:19:11,448 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:19:11,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:19:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:19:13,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:19:13,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:19:15,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:19:15,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 06:19:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-09 06:19:15,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:19:15,278 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:19:15,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838492960] [2024-11-09 06:19:15,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838492960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:19:15,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:19:15,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:19:15,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727711756] [2024-11-09 06:19:15,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:19:15,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:19:15,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:19:15,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:19:15,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:19:15,283 INFO L87 Difference]: Start difference. First operand 136 states and 190 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:19:19,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:21,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:23,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:25,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:27,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:29,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:31,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:33,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:38,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:40,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:42,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:44,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:46,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:48,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:50,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:53,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:55,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:57,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:19:59,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:01,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:03,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:05,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:07,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:09,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:11,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:13,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:16,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:18,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:20,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:22,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:24,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:20:25,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:20:25,377 INFO L93 Difference]: Finished difference Result 270 states and 378 transitions. [2024-11-09 06:20:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:20:25,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-09 06:20:25,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:20:25,380 INFO L225 Difference]: With dead ends: 270 [2024-11-09 06:20:25,380 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 06:20:25,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:20:25,382 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 135 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:20:25,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 477 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 29 Unknown, 0 Unchecked, 69.8s Time] [2024-11-09 06:20:25,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 06:20:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-09 06:20:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3247863247863247) internal successors, (155), 117 states have internal predecessors, (155), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:20:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2024-11-09 06:20:25,393 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 189 transitions. Word has length 155 [2024-11-09 06:20:25,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:20:25,394 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 189 transitions. [2024-11-09 06:20:25,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:20:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2024-11-09 06:20:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:20:25,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:25,398 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:20:25,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 06:20:25,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:25,599 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:25,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:25,600 INFO L85 PathProgramCache]: Analyzing trace with hash 206373106, now seen corresponding path program 1 times [2024-11-09 06:20:25,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:20:25,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114869127] [2024-11-09 06:20:25,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:25,601 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 06:20:25,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:20:25,602 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:25,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:27,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:20:27,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:20:27,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:20:27,856 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 103 treesize of output 31 [2024-11-09 06:20:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:20:28,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:20:28,001 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:20:28,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114869127] [2024-11-09 06:20:28,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114869127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:20:28,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:20:28,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:20:28,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424807031] [2024-11-09 06:20:28,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:20:28,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:20:28,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:20:28,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:20:28,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:20:28,006 INFO L87 Difference]: Start difference. First operand 136 states and 189 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:20:30,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:20:32,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:20:33,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:20:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:20:33,403 INFO L93 Difference]: Finished difference Result 269 states and 375 transitions. [2024-11-09 06:20:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:20:33,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-09 06:20:33,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:20:33,407 INFO L225 Difference]: With dead ends: 269 [2024-11-09 06:20:33,407 INFO L226 Difference]: Without dead ends: 136 [2024-11-09 06:20:33,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:20:33,409 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:20:33,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2024-11-09 06:20:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-09 06:20:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-09 06:20:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 117 states have internal predecessors, (154), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:20:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2024-11-09 06:20:33,420 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 188 transitions. Word has length 157 [2024-11-09 06:20:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:20:33,421 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 188 transitions. [2024-11-09 06:20:33,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:20:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 188 transitions. [2024-11-09 06:20:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:20:33,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:33,423 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:20:33,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:33,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:33,624 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:33,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash 346921716, now seen corresponding path program 1 times [2024-11-09 06:20:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:20:33,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729807788] [2024-11-09 06:20:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:33,628 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 06:20:33,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:20:33,632 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:33,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:36,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:20:36,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:20:36,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:20:36,138 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 103 treesize of output 31 [2024-11-09 06:20:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:20:36,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:20:36,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:20:36,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729807788] [2024-11-09 06:20:36,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729807788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:20:36,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:20:36,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:20:36,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366564697] [2024-11-09 06:20:36,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:20:36,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:20:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:20:36,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:20:36,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:20:36,306 INFO L87 Difference]: Start difference. First operand 136 states and 188 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:20:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:20:36,421 INFO L93 Difference]: Finished difference Result 269 states and 373 transitions. [2024-11-09 06:20:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:20:36,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-09 06:20:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:20:36,424 INFO L225 Difference]: With dead ends: 269 [2024-11-09 06:20:36,424 INFO L226 Difference]: Without dead ends: 136 [2024-11-09 06:20:36,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:20:36,426 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:20:36,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:20:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-09 06:20:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-09 06:20:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:20:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 187 transitions. [2024-11-09 06:20:36,435 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 187 transitions. Word has length 157 [2024-11-09 06:20:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:20:36,436 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 187 transitions. [2024-11-09 06:20:36,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:20:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2024-11-09 06:20:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:20:36,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:36,439 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:20:36,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:36,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:36,640 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:36,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 769623542, now seen corresponding path program 1 times [2024-11-09 06:20:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:20:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713796771] [2024-11-09 06:20:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:36,642 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 06:20:36,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:20:36,645 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:20:36,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df40cb9b-8734-463c-804d-d6a227e60299/bin/utaipan-verify-YMUCfTKeje/mathsat -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