./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.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_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/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_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/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_c0e87c12-a208-4b87-8a98-57f6d6b08409/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 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:58:36,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:36,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:58:36,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:36,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:36,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:36,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:36,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:36,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:36,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:36,830 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:58:36,831 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:58:36,831 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:58:36,832 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:58:36,832 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:58:36,835 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:58:36,835 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:58:36,836 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:58:36,836 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:58:36,837 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:58:36,837 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:58:36,840 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:58:36,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:36,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:36,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:36,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:58:36,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:36,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:36,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:36,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:36,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:36,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:36,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:36,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:36,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:36,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:36,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:58:36,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:36,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:58:36,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:36,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:36,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:36,851 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:58:36,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:58:36,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:36,852 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:58:36,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:58:36,853 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_c0e87c12-a208-4b87-8a98-57f6d6b08409/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 [2024-11-09 06:58:37,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:37,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:37,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:37,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:37,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:37,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i Unable to find full path for "g++" [2024-11-09 06:58:39,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:39,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:39,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2024-11-09 06:58:39,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data/636b507dc/cfa7bf45b6d0467fb4347f85351b4900/FLAG8beae7b11 [2024-11-09 06:58:39,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data/636b507dc/cfa7bf45b6d0467fb4347f85351b4900 [2024-11-09 06:58:39,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:39,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:39,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:39,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:39,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:39,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:39" (1/1) ... [2024-11-09 06:58:39,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da3082d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:39, skipping insertion in model container [2024-11-09 06:58:39,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:39" (1/1) ... [2024-11-09 06:58:39,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:39,971 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_c0e87c12-a208-4b87-8a98-57f6d6b08409/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2024-11-09 06:58:40,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:40,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:40,130 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_c0e87c12-a208-4b87-8a98-57f6d6b08409/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2024-11-09 06:58:40,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:40,261 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:40,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40 WrapperNode [2024-11-09 06:58:40,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:40,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:40,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:40,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:40,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,382 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 306 [2024-11-09 06:58:40,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:40,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:40,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:40,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:40,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:40,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:40,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:40,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:40,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (1/1) ... [2024-11-09 06:58:40,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:58:40,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:58:40,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:58:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:58:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:40,734 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:40,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:41,758 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 06:58:41,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:42,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:42,534 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:58:42,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:42 BoogieIcfgContainer [2024-11-09 06:58:42,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:42,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:42,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:42,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:42,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:39" (1/3) ... [2024-11-09 06:58:42,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a264c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:42, skipping insertion in model container [2024-11-09 06:58:42,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:40" (2/3) ... [2024-11-09 06:58:42,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a264c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:42, skipping insertion in model container [2024-11-09 06:58:42,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:42" (3/3) ... [2024-11-09 06:58:42,548 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2024-11-09 06:58:42,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:42,569 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:58:42,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:58:42,655 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;@33f20e8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:58:42,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:58:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 06:58:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 06:58:42,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:58:42,678 INFO L215 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:58:42,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:58:42,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:42,688 INFO L85 PathProgramCache]: Analyzing trace with hash -506971428, now seen corresponding path program 1 times [2024-11-09 06:58:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:58:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611543107] [2024-11-09 06:58:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:58:43,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102863279] [2024-11-09 06:58:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:43,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:43,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:58:43,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:43,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:58:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:58:45,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:58:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:58:45,531 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:58:45,533 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:58:45,534 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:58:45,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:58:45,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:58:45,742 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:58:45,880 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:58:45,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:58:45 BoogieIcfgContainer [2024-11-09 06:58:45,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:58:45,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:58:45,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:58:45,885 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:58:45,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:42" (3/4) ... [2024-11-09 06:58:45,889 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:58:45,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:58:45,892 INFO L158 Benchmark]: Toolchain (without parser) took 6196.11ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 107.1MB in the beginning and 75.2MB in the end (delta: 31.8MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-11-09 06:58:45,893 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:58:45,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.32ms. Allocated memory is still 140.5MB. Free memory was 106.7MB in the beginning and 88.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:58:45,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.16ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 81.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:58:45,896 INFO L158 Benchmark]: Boogie Preprocessor took 88.04ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 78.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:58:45,898 INFO L158 Benchmark]: RCFGBuilder took 2060.46ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 78.4MB in the beginning and 127.8MB in the end (delta: -49.4MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-09 06:58:45,899 INFO L158 Benchmark]: TraceAbstraction took 3344.62ms. Allocated memory is still 178.3MB. Free memory was 127.8MB in the beginning and 76.3MB in the end (delta: 51.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-11-09 06:58:45,899 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 178.3MB. Free memory was 76.3MB in the beginning and 75.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:58:45,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.32ms. Allocated memory is still 140.5MB. Free memory was 106.7MB in the beginning and 88.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.16ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 81.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.04ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 78.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2060.46ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 78.4MB in the beginning and 127.8MB in the end (delta: -49.4MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3344.62ms. Allocated memory is still 178.3MB. Free memory was 127.8MB in the beginning and 76.3MB in the end (delta: 51.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 178.3MB. Free memory was 76.3MB in the beginning and 75.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of bitwiseOr at line 88, overapproximation of bitwiseAnd at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_3 = 0.875; [L24] unsigned short int var_1_4 = 49926; [L25] unsigned short int var_1_5 = 500; [L26] unsigned short int var_1_6 = 10; [L27] unsigned char var_1_8 = 64; [L28] unsigned short int var_1_9 = 5; [L29] unsigned char var_1_11 = 10; [L30] float var_1_12 = 0.19999999999999996; [L31] float var_1_13 = 9.2; [L32] float var_1_14 = 5.8; [L33] float var_1_15 = 31.25; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 0; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned short int var_1_20 = 256; [L39] unsigned short int var_1_21 = 23544; [L40] unsigned long int var_1_22 = 64; [L41] double var_1_23 = 100.75; [L42] double var_1_29 = 15.75; [L43] double var_1_30 = 10.3; [L44] signed long int var_1_31 = -16; [L45] unsigned char var_1_32 = 128; [L46] unsigned char var_1_33 = 1; [L47] unsigned long int var_1_34 = 64; [L48] unsigned long int var_1_35 = 2280229334; [L49] unsigned short int var_1_36 = 4; [L50] unsigned short int var_1_37 = 37841; [L51] double var_1_38 = 9.5; [L52] signed char var_1_39 = -5; [L53] signed char var_1_40 = 8; [L54] signed char var_1_41 = 8; [L55] signed char var_1_42 = -10; [L56] unsigned char var_1_43 = 1; [L57] unsigned char last_1_var_1_8 = 64; [L58] unsigned char last_1_var_1_19 = 1; [L59] unsigned short int last_1_var_1_20 = 256; [L60] unsigned long int last_1_var_1_22 = 64; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L202] last_1_var_1_8 = var_1_8 [L203] last_1_var_1_19 = var_1_19 [L204] last_1_var_1_20 = var_1_20 [L205] last_1_var_1_22 = var_1_22 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_3 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L149] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L150] var_1_4 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L152] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L153] var_1_5 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_6=10, var_1_8=64, var_1_9=5] [L155] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L156] var_1_6 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_8=64, var_1_9=5] [L158] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=5] [L159] var_1_9 = __VERIFIER_nondet_ushort() [L160] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64] [L161] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L162] var_1_11 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L164] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L165] var_1_13 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L167] var_1_14 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L169] var_1_15 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L171] var_1_17 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L173] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L174] var_1_18 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L176] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L177] var_1_21 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L179] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L180] var_1_29 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L182] var_1_33 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L184] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L185] var_1_35 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L187] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L188] var_1_37 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L190] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L191] var_1_40 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_40 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_40 >= -127) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L193] CALL assume_abort_if_not(var_1_40 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_40 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L194] var_1_41 = __VERIFIER_nondet_char() [L195] CALL assume_abort_if_not(var_1_41 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_41 >= -127) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L196] CALL assume_abort_if_not(var_1_41 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_41 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L197] var_1_42 = __VERIFIER_nondet_char() [L198] CALL assume_abort_if_not(var_1_42 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-126, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_42 >= -126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-126, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L199] CALL assume_abort_if_not(var_1_42 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-126, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_42 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=4, var_1_37=32767, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-126, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=64, var_1_9=16413] [L216] RET updateVariables() [L217] CALL step() [L64] COND TRUE var_1_12 <= var_1_12 [L65] COND TRUE (- var_1_1) < var_1_20 [L66] COND TRUE \read(var_1_16) [L67] var_1_23 = var_1_29 [L71] var_1_30 = var_1_29 [L72] var_1_31 = var_1_22 [L73] var_1_32 = var_1_33 [L74] COND FALSE !(var_1_12 > 32.8) [L77] EXPR var_1_20 & var_1_33 [L77] COND TRUE (var_1_20 & var_1_33) <= var_1_1 [L78] var_1_36 = 10 [L88] EXPR var_1_22 | (var_1_1 + var_1_20) [L88] COND FALSE !(var_1_33 == (var_1_22 | (var_1_1 + var_1_20))) [L91] COND TRUE var_1_12 >= var_1_12 [L92] var_1_39 = ((((var_1_40) < (var_1_41)) ? (var_1_40) : (var_1_41))) [L96] COND FALSE !((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) / var_1_37) > (var_1_1 * 10)) [L103] COND TRUE (last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22) [L104] var_1_16 = (last_1_var_1_19 || var_1_17) [L108] unsigned short int stepLocal_0 = var_1_5; [L109] COND TRUE stepLocal_0 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))) [L110] COND TRUE \read(last_1_var_1_19) [L111] var_1_8 = var_1_11 [L114] unsigned short int stepLocal_2 = var_1_4; [L115] COND TRUE var_1_8 <= stepLocal_2 [L116] COND TRUE \read(var_1_16) [L117] var_1_20 = (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))) [L124] COND TRUE \read(var_1_16) [L125] COND FALSE !((var_1_8 * var_1_8) < var_1_11) [L131] COND FALSE !(var_1_12 >= (1.3 / var_1_3)) [L134] var_1_1 = ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4))) [L136] unsigned char stepLocal_1 = var_1_1 < 64; [L137] COND TRUE \read(var_1_16) [L138] COND TRUE stepLocal_1 || var_1_16 [L139] var_1_19 = var_1_17 [L142] EXPR 2 ^ var_1_20 [L142] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) [L142] EXPR 2 ^ var_1_20 [L142] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) [L142] COND FALSE !(var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) [L217] RET step() [L218] CALL, EXPR property() [L208] EXPR (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) [L208-L209] return (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) ; [L218] RET, EXPR property() [L218] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=32767, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=403/4, var_1_30=403/4, var_1_31=64, var_1_32=-258, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=8, var_1_40=8, var_1_41=8, var_1_42=-126, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=256, var_1_9=16413] [L19] reach_error() VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=256, var_1_12=4999999999999999/25000000000000000, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=32767, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=403/4, var_1_30=403/4, var_1_31=64, var_1_32=-258, var_1_33=-258, var_1_34=64, var_1_35=6442450943, var_1_36=10, var_1_37=32767, var_1_38=19/2, var_1_39=8, var_1_40=8, var_1_41=8, var_1_42=-126, var_1_43=1, var_1_4=49150, var_1_5=16383, var_1_6=81949, var_1_8=256, var_1_9=16413] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 34, 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=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:58:45,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/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_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/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_c0e87c12-a208-4b87-8a98-57f6d6b08409/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 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:58:48,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:48,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:58:48,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:48,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:48,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:48,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:48,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:48,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:48,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:48,772 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:58:48,772 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:58:48,773 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:58:48,773 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:58:48,774 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:58:48,775 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:58:48,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:48,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:48,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:48,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:48,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:48,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:48,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:48,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:48,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:58:48,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:58:48,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:48,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:58:48,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:48,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:48,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:48,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:48,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:58:48,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:58:48,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:48,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:58:48,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:48,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:48,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:48,790 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:58:48,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:58:48,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:48,791 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:58:48,792 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_c0e87c12-a208-4b87-8a98-57f6d6b08409/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a11786ba55a8e491d7226fcd7d1ca56ffd0e48f1d135e45758a1f15a987a08 [2024-11-09 06:58:49,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:49,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:49,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:49,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:49,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:49,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i Unable to find full path for "g++" [2024-11-09 06:58:51,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:51,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:51,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2024-11-09 06:58:51,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data/5688fa7e9/c06684fc13ae451689e4d87b95af0519/FLAG7b62a640c [2024-11-09 06:58:52,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/data/5688fa7e9/c06684fc13ae451689e4d87b95af0519 [2024-11-09 06:58:52,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:52,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:52,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:52,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:52,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:52,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797c7c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52, skipping insertion in model container [2024-11-09 06:58:52,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:52,354 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_c0e87c12-a208-4b87-8a98-57f6d6b08409/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2024-11-09 06:58:52,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:52,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:52,537 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_c0e87c12-a208-4b87-8a98-57f6d6b08409/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i[919,932] [2024-11-09 06:58:52,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:52,632 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:52,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52 WrapperNode [2024-11-09 06:58:52,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:52,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:52,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:52,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:52,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,719 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2024-11-09 06:58:52,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:52,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:52,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:52,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:52,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:52,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:52,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:52,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:52,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (1/1) ... [2024-11-09 06:58:52,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:58:52,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:58:52,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:52,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:58:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:58:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:58:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:53,009 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:53,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:00,084 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:59:00,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:00,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:00,102 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:59:00,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:00 BoogieIcfgContainer [2024-11-09 06:59:00,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:00,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:00,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:00,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:00,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:52" (1/3) ... [2024-11-09 06:59:00,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4f3ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:00, skipping insertion in model container [2024-11-09 06:59:00,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:52" (2/3) ... [2024-11-09 06:59:00,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4f3ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:00, skipping insertion in model container [2024-11-09 06:59:00,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:00" (3/3) ... [2024-11-09 06:59:00,115 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-47.i [2024-11-09 06:59:00,135 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:00,135 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:59:00,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:00,221 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;@49ca39a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:00,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:59:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 06:59:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-09 06:59:00,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:00,253 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:00,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:00,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:00,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1696691098, now seen corresponding path program 1 times [2024-11-09 06:59:00,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:00,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514961507] [2024-11-09 06:59:00,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:00,280 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 06:59:00,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:00,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:00,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:01,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:59:01,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 794 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2024-11-09 06:59:01,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:01,524 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:01,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514961507] [2024-11-09 06:59:01,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514961507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:01,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:01,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:01,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562727890] [2024-11-09 06:59:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:01,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:59:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:59:01,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:59:01,562 INFO L87 Difference]: Start difference. First operand has 98 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 06:59:01,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:01,600 INFO L93 Difference]: Finished difference Result 188 states and 338 transitions. [2024-11-09 06:59:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:59:01,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-09 06:59:01,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:01,611 INFO L225 Difference]: With dead ends: 188 [2024-11-09 06:59:01,612 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 06:59:01,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 214 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 06:59:01,619 INFO L432 NwaCegarLoop]: 146 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, 146 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 06:59:01,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:59:01,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 06:59:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-09 06:59:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 06:59:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2024-11-09 06:59:01,688 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 215 [2024-11-09 06:59:01,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:01,688 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2024-11-09 06:59:01,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 06:59:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2024-11-09 06:59:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-09 06:59:01,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:01,698 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:01,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:01,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:01,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:01,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1093788770, now seen corresponding path program 1 times [2024-11-09 06:59:01,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:01,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009782485] [2024-11-09 06:59:01,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:01,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:59:01,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:01,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:01,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:02,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:59:02,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 06:59:06,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:06,065 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:06,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009782485] [2024-11-09 06:59:06,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009782485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:06,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:06,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:06,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822192727] [2024-11-09 06:59:06,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:06,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:06,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:06,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:06,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:06,076 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 06:59:08,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:10,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:12,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:15,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:17,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:19,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:19,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:19,672 INFO L93 Difference]: Finished difference Result 273 states and 432 transitions. [2024-11-09 06:59:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:19,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-09 06:59:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:19,686 INFO L225 Difference]: With dead ends: 273 [2024-11-09 06:59:19,687 INFO L226 Difference]: Without dead ends: 183 [2024-11-09 06:59:19,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:19,694 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 46 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:19,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 285 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 13.5s Time] [2024-11-09 06:59:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-09 06:59:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 181. [2024-11-09 06:59:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 06:59:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 285 transitions. [2024-11-09 06:59:19,764 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 285 transitions. Word has length 215 [2024-11-09 06:59:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:19,770 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 285 transitions. [2024-11-09 06:59:19,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 06:59:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 285 transitions. [2024-11-09 06:59:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-09 06:59:19,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:19,778 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:19,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:59:19,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:19,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:19,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:19,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1059899776, now seen corresponding path program 1 times [2024-11-09 06:59:19,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:19,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704469393] [2024-11-09 06:59:19,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:19,981 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 06:59:19,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:19,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:19,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:21,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:59:21,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 06:59:24,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:24,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:24,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704469393] [2024-11-09 06:59:24,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704469393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:24,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:24,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:24,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436410504] [2024-11-09 06:59:24,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:24,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:24,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:24,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:24,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:24,443 INFO L87 Difference]: Start difference. First operand 181 states and 285 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 06:59:26,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:29,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:31,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:34,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:36,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:36,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:36,369 INFO L93 Difference]: Finished difference Result 440 states and 696 transitions. [2024-11-09 06:59:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:36,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-09 06:59:36,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:36,440 INFO L225 Difference]: With dead ends: 440 [2024-11-09 06:59:36,440 INFO L226 Difference]: Without dead ends: 262 [2024-11-09 06:59:36,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:36,444 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 31 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:36,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 267 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 11.9s Time] [2024-11-09 06:59:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-09 06:59:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2024-11-09 06:59:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 136 states have (on average 1.286764705882353) internal successors, (175), 136 states have internal predecessors, (175), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 06:59:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 379 transitions. [2024-11-09 06:59:36,504 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 379 transitions. Word has length 216 [2024-11-09 06:59:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:36,508 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 379 transitions. [2024-11-09 06:59:36,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 06:59:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 379 transitions. [2024-11-09 06:59:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 06:59:36,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:36,517 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:36,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:59:36,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:36,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:36,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1312690073, now seen corresponding path program 1 times [2024-11-09 06:59:36,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:36,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944748859] [2024-11-09 06:59:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:36,720 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 06:59:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:36,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:36,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:37,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:59:37,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 06:59:45,404 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:59:45,404 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:45,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944748859] [2024-11-09 06:59:45,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944748859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:45,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:45,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:45,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948164243] [2024-11-09 06:59:45,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:45,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:45,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:59:45,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:45,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:45,409 INFO L87 Difference]: Start difference. First operand 242 states and 379 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 06:59:47,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:50,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:52,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:52,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:52,676 INFO L93 Difference]: Finished difference Result 435 states and 686 transitions. [2024-11-09 06:59:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:52,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-09 06:59:52,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:52,684 INFO L225 Difference]: With dead ends: 435 [2024-11-09 06:59:52,685 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 06:59:52,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 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 06:59:52,687 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 16 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:52,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 264 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2024-11-09 06:59:52,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 06:59:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 247. [2024-11-09 06:59:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 141 states have (on average 1.2836879432624113) internal successors, (181), 141 states have internal predecessors, (181), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 06:59:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 385 transitions. [2024-11-09 06:59:52,748 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 385 transitions. Word has length 217 [2024-11-09 06:59:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:52,749 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 385 transitions. [2024-11-09 06:59:52,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 06:59:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 385 transitions. [2024-11-09 06:59:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 06:59:52,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:52,754 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:52,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:52,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:52,955 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:52,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash -275657829, now seen corresponding path program 1 times [2024-11-09 06:59:52,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:59:52,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31227381] [2024-11-09 06:59:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:52,956 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 06:59:52,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:59:52,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:52,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 06:59:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:54,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:59:54,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:59:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 06:59:57,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:59:58,309 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:59:58,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31227381] [2024-11-09 06:59:58,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31227381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:59:58,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1149928784] [2024-11-09 06:59:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:58,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:59:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:59:58,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:59:58,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 07:00:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:01,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:00:01,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:00:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:00:04,889 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:00:04,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1149928784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:04,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:00:04,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 07:00:04,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194027034] [2024-11-09 07:00:04,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:04,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:00:04,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:00:04,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:00:04,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:00:04,898 INFO L87 Difference]: Start difference. First operand 247 states and 385 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:00:08,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:10,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:12,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:14,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:16,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:18,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:20,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:22,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:24,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:26,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:00:27,009 INFO L93 Difference]: Finished difference Result 803 states and 1259 transitions. [2024-11-09 07:00:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 07:00:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-09 07:00:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:00:27,017 INFO L225 Difference]: With dead ends: 803 [2024-11-09 07:00:27,017 INFO L226 Difference]: Without dead ends: 621 [2024-11-09 07:00:27,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 07:00:27,020 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 351 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 215 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-11-09 07:00:27,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 786 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 41 Invalid, 10 Unknown, 0 Unchecked, 21.6s Time] [2024-11-09 07:00:27,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-09 07:00:27,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 581. [2024-11-09 07:00:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 335 states have (on average 1.2656716417910447) internal successors, (424), 335 states have internal predecessors, (424), 238 states have call successors, (238), 7 states have call predecessors, (238), 7 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-09 07:00:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 900 transitions. [2024-11-09 07:00:27,131 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 900 transitions. Word has length 217 [2024-11-09 07:00:27,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:00:27,132 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 900 transitions. [2024-11-09 07:00:27,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:00:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 900 transitions. [2024-11-09 07:00:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-09 07:00:27,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:00:27,137 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:27,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 07:00:27,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 07:00:27,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:00:27,538 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:00:27,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:27,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1286775079, now seen corresponding path program 1 times [2024-11-09 07:00:27,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:00:27,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606990084] [2024-11-09 07:00:27,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:27,540 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 07:00:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:00:27,542 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:00:27,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:00:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:28,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:00:28,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:00:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:00:39,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:00:39,557 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:00:39,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606990084] [2024-11-09 07:00:39,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606990084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:39,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:39,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441979592] [2024-11-09 07:00:39,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:39,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:00:39,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:00:39,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:00:39,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:00:39,560 INFO L87 Difference]: Start difference. First operand 581 states and 900 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:00:42,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:44,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:47,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:49,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:51,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:53,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:56,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:58,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:00:58,211 INFO L93 Difference]: Finished difference Result 918 states and 1421 transitions. [2024-11-09 07:00:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:00:58,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-09 07:00:58,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:00:58,318 INFO L225 Difference]: With dead ends: 918 [2024-11-09 07:00:58,318 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 07:00:58,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:00:58,321 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 74 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 69 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:00:58,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 394 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 34 Invalid, 8 Unknown, 0 Unchecked, 18.5s Time] [2024-11-09 07:00:58,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 07:00:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 401. [2024-11-09 07:00:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-09 07:00:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 617 transitions. [2024-11-09 07:00:58,366 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 617 transitions. Word has length 217 [2024-11-09 07:00:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:00:58,368 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 617 transitions. [2024-11-09 07:00:58,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:00:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 617 transitions. [2024-11-09 07:00:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 07:00:58,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:00:58,373 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:58,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 07:00:58,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:00:58,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:00:58,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:58,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1149008768, now seen corresponding path program 1 times [2024-11-09 07:00:58,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:00:58,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656288891] [2024-11-09 07:00:58,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:58,576 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 07:00:58,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:00:58,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:00:58,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:00:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:59,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:00:59,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:01:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:01:02,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:01:03,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:01:03,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656288891] [2024-11-09 07:01:03,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656288891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:01:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [608062218] [2024-11-09 07:01:03,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:03,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:01:03,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:01:03,280 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:01:03,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 07:01:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:06,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 07:01:06,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:01:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:01:10,021 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:01:10,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [608062218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:10,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:01:10,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-09 07:01:10,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585787753] [2024-11-09 07:01:10,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:10,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:10,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:01:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:10,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 07:01:10,026 INFO L87 Difference]: Start difference. First operand 401 states and 617 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:01:12,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:14,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:16,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:19,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:21,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:23,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:01:23,727 INFO L93 Difference]: Finished difference Result 816 states and 1266 transitions. [2024-11-09 07:01:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:23,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-09 07:01:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:01:23,735 INFO L225 Difference]: With dead ends: 816 [2024-11-09 07:01:23,736 INFO L226 Difference]: Without dead ends: 655 [2024-11-09 07:01:23,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 07:01:23,739 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 34 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 07:01:23,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 273 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 07:01:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-09 07:01:23,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 653. [2024-11-09 07:01:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 372 states have (on average 1.2526881720430108) internal successors, (466), 372 states have internal predecessors, (466), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-09 07:01:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1010 transitions. [2024-11-09 07:01:23,844 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1010 transitions. Word has length 219 [2024-11-09 07:01:23,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:01:23,845 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 1010 transitions. [2024-11-09 07:01:23,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:01:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1010 transitions. [2024-11-09 07:01:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 07:01:23,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:01:23,848 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:01:23,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 07:01:24,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-09 07:01:24,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:01:24,249 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:01:24,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:24,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1542035778, now seen corresponding path program 1 times [2024-11-09 07:01:24,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:01:24,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133103083] [2024-11-09 07:01:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:24,251 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 07:01:24,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:01:24,252 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:01:24,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:01:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:25,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:01:25,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:01:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:01:29,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:01:29,761 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:01:29,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133103083] [2024-11-09 07:01:29,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133103083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:01:29,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [484103501] [2024-11-09 07:01:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:29,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:01:29,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:01:29,765 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:01:29,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 07:01:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:32,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:01:32,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:01:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:01:36,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:01:36,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [484103501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:01:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18405248] [2024-11-09 07:01:36,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:36,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:01:36,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:01:36,437 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:01:36,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 07:01:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:37,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:01:37,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:01:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:01:40,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:01:41,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18405248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:01:41,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:01:41,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-09 07:01:41,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745422176] [2024-11-09 07:01:41,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:01:41,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:01:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:01:41,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:01:41,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:01:41,095 INFO L87 Difference]: Start difference. First operand 653 states and 1010 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 07:01:45,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:47,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:49,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:51,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:54,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:56,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:01:58,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:00,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:02,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:04,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:06,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:08,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:08,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:02:08,795 INFO L93 Difference]: Finished difference Result 1272 states and 1941 transitions. [2024-11-09 07:02:08,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 07:02:08,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-09 07:02:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:02:08,884 INFO L225 Difference]: With dead ends: 1272 [2024-11-09 07:02:08,884 INFO L226 Difference]: Without dead ends: 701 [2024-11-09 07:02:08,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:02:08,889 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 45 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 7 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:02:08,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 337 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 231 Invalid, 12 Unknown, 0 Unchecked, 27.2s Time] [2024-11-09 07:02:08,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-09 07:02:09,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 685. [2024-11-09 07:02:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 396 states have (on average 1.2222222222222223) internal successors, (484), 396 states have internal predecessors, (484), 272 states have call successors, (272), 16 states have call predecessors, (272), 16 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-09 07:02:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1028 transitions. [2024-11-09 07:02:09,022 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1028 transitions. Word has length 219 [2024-11-09 07:02:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:02:09,023 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 1028 transitions. [2024-11-09 07:02:09,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 07:02:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1028 transitions. [2024-11-09 07:02:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 07:02:09,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:02:09,026 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:02:09,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 07:02:09,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:02:09,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 07:02:09,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:02:09,628 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:02:09,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:09,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1474884506, now seen corresponding path program 1 times [2024-11-09 07:02:09,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:02:09,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928857438] [2024-11-09 07:02:09,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:09,630 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 07:02:09,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:02:09,634 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:02:09,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-09 07:02:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:10,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:02:10,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:02:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:02:17,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:02:21,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:02:21,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928857438] [2024-11-09 07:02:21,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928857438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:02:21,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [72989205] [2024-11-09 07:02:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:21,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:02:21,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:02:21,507 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:02:21,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 07:02:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:25,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:02:25,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:02:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:02:33,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:02:36,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [72989205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:02:36,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393618513] [2024-11-09 07:02:36,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:36,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:02:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:02:36,951 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:02:36,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 07:02:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:37,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:02:37,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:02:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-09 07:02:44,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:02:47,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393618513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:02:47,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:02:47,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-09 07:02:47,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64202090] [2024-11-09 07:02:47,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:02:47,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:02:47,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:02:47,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:02:47,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:02:47,287 INFO L87 Difference]: Start difference. First operand 685 states and 1028 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 07:02:51,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:53,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:55,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:57,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:02:59,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:01,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:03,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:05,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:07,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:09,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:11,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:14,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:16,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:18,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:20,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:22,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:24,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:26,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:26,436 INFO L93 Difference]: Finished difference Result 1135 states and 1710 transitions. [2024-11-09 07:03:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 07:03:26,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-09 07:03:26,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:26,444 INFO L225 Difference]: With dead ends: 1135 [2024-11-09 07:03:26,444 INFO L226 Difference]: Without dead ends: 695 [2024-11-09 07:03:26,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 736 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:03:26,447 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 59 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 7 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:26,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 362 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 203 Invalid, 17 Unknown, 0 Unchecked, 38.8s Time] [2024-11-09 07:03:26,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-09 07:03:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 685. [2024-11-09 07:03:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 396 states have (on average 1.2146464646464648) internal successors, (481), 396 states have internal predecessors, (481), 272 states have call successors, (272), 16 states have call predecessors, (272), 16 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-09 07:03:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1025 transitions. [2024-11-09 07:03:26,560 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1025 transitions. Word has length 220 [2024-11-09 07:03:26,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:26,562 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 1025 transitions. [2024-11-09 07:03:26,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 07:03:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1025 transitions. [2024-11-09 07:03:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 07:03:26,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:26,564 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:03:26,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 07:03:26,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:26,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:27,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:27,166 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:27,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1476731548, now seen corresponding path program 1 times [2024-11-09 07:03:27,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:27,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19839487] [2024-11-09 07:03:27,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:27,168 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 07:03:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:27,172 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -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 07:03:27,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e87c12-a208-4b87-8a98-57f6d6b08409/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-09 07:03:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:28,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 07:03:28,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:24,811 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from false [2024-11-09 07:05:26,943 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true [2024-11-09 07:09:35,930 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (= c_~var_1_19~0 c_~var_1_17~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from false [2024-11-09 07:09:38,005 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (= c_~var_1_19~0 c_~var_1_17~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true