./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/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_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/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_e48ec185-678e-4b7d-85f4-db43551d0b62/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 23f93c4b5aa5d0c1614210c7d43e5185eef5f35d440841695b085d9e491cf0d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:12:24,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:12:24,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:12:24,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:12:24,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:12:25,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:12:25,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:12:25,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:12:25,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:12:25,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:12:25,012 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:12:25,012 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:12:25,012 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:12:25,013 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:12:25,013 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:12:25,013 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:12:25,013 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:12:25,014 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:12:25,014 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:12:25,018 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:12:25,019 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:12:25,019 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:12:25,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:12:25,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:12:25,020 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:12:25,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:12:25,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:12:25,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:12:25,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:12:25,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:12:25,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:12:25,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:12:25,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:12:25,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:12:25,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:12:25,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:12:25,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:12:25,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:12:25,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:25,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:12:25,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:12:25,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:12:25,043 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:12:25,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:12:25,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:12:25,044 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:12:25,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:12:25,044 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_e48ec185-678e-4b7d-85f4-db43551d0b62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23f93c4b5aa5d0c1614210c7d43e5185eef5f35d440841695b085d9e491cf0d2 [2024-11-09 01:12:25,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:12:25,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:12:25,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:12:25,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:12:25,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:12:25,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i Unable to find full path for "g++" [2024-11-09 01:12:27,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:12:27,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:12:27,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-09 01:12:27,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data/78fbc280e/1aa0e3ba3d694d1f845ccf9f924f44b6/FLAG32400171d [2024-11-09 01:12:27,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data/78fbc280e/1aa0e3ba3d694d1f845ccf9f924f44b6 [2024-11-09 01:12:27,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:12:27,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:12:27,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:27,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:12:27,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:12:27,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:27" (1/1) ... [2024-11-09 01:12:27,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f4b3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:27, skipping insertion in model container [2024-11-09 01:12:27,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:27" (1/1) ... [2024-11-09 01:12:27,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:12:27,903 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_e48ec185-678e-4b7d-85f4-db43551d0b62/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i[917,930] [2024-11-09 01:12:27,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:27,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:12:27,976 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_e48ec185-678e-4b7d-85f4-db43551d0b62/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i[917,930] [2024-11-09 01:12:28,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:28,022 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:12:28,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28 WrapperNode [2024-11-09 01:12:28,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:28,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:28,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:12:28,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:12:28,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,076 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-09 01:12:28,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:28,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:12:28,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:12:28,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:12:28,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:12:28,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:12:28,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:12:28,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:12:28,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (1/1) ... [2024-11-09 01:12:28,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:28,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:12:28,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:12:28,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:12:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:12:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:12:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:12:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:12:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:12:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:12:28,287 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:12:28,291 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:12:28,632 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 01:12:28,633 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:12:28,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:12:28,788 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:12:28,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:28 BoogieIcfgContainer [2024-11-09 01:12:28,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:12:28,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:12:28,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:12:28,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:12:28,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:12:27" (1/3) ... [2024-11-09 01:12:28,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762d807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:28, skipping insertion in model container [2024-11-09 01:12:28,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28" (2/3) ... [2024-11-09 01:12:28,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762d807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:28, skipping insertion in model container [2024-11-09 01:12:28,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:28" (3/3) ... [2024-11-09 01:12:28,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-09 01:12:28,821 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:12:28,821 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:12:28,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:12:28,904 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;@8b7b684, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:12:28,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:12:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:12:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 01:12:28,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:28,920 INFO L215 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:12:28,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:28,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:28,929 INFO L85 PathProgramCache]: Analyzing trace with hash 398805673, now seen corresponding path program 1 times [2024-11-09 01:12:28,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:12:28,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533324262] [2024-11-09 01:12:28,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:12:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:12:29,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:12:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:12:29,391 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:12:29,394 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:12:29,395 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:12:29,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:12:29,403 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:12:29,463 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:12:29,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:12:29 BoogieIcfgContainer [2024-11-09 01:12:29,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:12:29,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:12:29,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:12:29,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:12:29,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:28" (3/4) ... [2024-11-09 01:12:29,472 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:12:29,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:12:29,475 INFO L158 Benchmark]: Toolchain (without parser) took 1801.26ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 113.4MB in the beginning and 173.3MB in the end (delta: -59.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-09 01:12:29,476 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:12:29,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.11ms. Allocated memory is still 153.1MB. Free memory was 113.4MB in the beginning and 99.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:12:29,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.65ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 96.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:12:29,478 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 94.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:12:29,479 INFO L158 Benchmark]: RCFGBuilder took 668.61ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 73.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 01:12:29,479 INFO L158 Benchmark]: TraceAbstraction took 675.11ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 72.0MB in the beginning and 174.3MB in the end (delta: -102.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:12:29,480 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 213.9MB. Free memory was 174.3MB in the beginning and 173.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:12:29,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.11ms. Allocated memory is still 153.1MB. Free memory was 113.4MB in the beginning and 99.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.65ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 96.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 94.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.61ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 73.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 675.11ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 72.0MB in the beginning and 174.3MB in the end (delta: -102.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 213.9MB. Free memory was 174.3MB in the beginning and 173.3MB 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 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L23] unsigned char var_1_8 = 5; [L24] unsigned char var_1_9 = 4; [L25] float var_1_10 = 16.5; [L26] float var_1_11 = 127.25; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 0; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] FCALL updateLastVariables() [L90] CALL updateVariables() [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L63] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L64] var_1_11 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L66] var_1_13 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L68] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L71] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L72] var_1_16 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L74] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L75] var_1_18 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L77] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L90] RET updateVariables() [L91] CALL step() [L36] var_1_8 = (var_1_9 + 100) [L37] var_1_10 = ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f))) [L38] COND FALSE !(var_1_8 > var_1_8) [L41] var_1_1 = (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8)))) [L43] COND FALSE !(var_1_11 <= var_1_10) [L48] COND TRUE var_1_8 <= 1000000 [L49] var_1_17 = 0 [L54] COND TRUE (- var_1_10) > var_1_11 [L55] var_1_12 = (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))) [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return (((((var_1_8 > var_1_8) ? (var_1_1 == ((signed long int) (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) - 10))) : (var_1_1 == ((signed long int) (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8))))))) && (var_1_8 == ((unsigned char) (var_1_9 + 100)))) && (var_1_10 == ((float) ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f)))))) && (((- var_1_10) > var_1_11) ? (var_1_12 == ((unsigned char) (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))))) : (var_1_12 == ((unsigned char) ((var_1_1 <= var_1_9) && var_1_16))))) && ((var_1_11 <= var_1_10) ? ((var_1_1 != var_1_8) ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : ((var_1_8 <= 1000000) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0)))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:12:29,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/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_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/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_e48ec185-678e-4b7d-85f4-db43551d0b62/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 23f93c4b5aa5d0c1614210c7d43e5185eef5f35d440841695b085d9e491cf0d2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:12:32,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:12:32,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:12:32,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:12:32,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:12:32,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:12:32,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:12:32,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:12:32,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:12:32,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:12:32,315 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:12:32,315 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:12:32,315 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:12:32,316 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:12:32,316 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:12:32,317 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:12:32,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:12:32,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:12:32,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:12:32,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:12:32,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:12:32,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:12:32,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:12:32,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:12:32,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:12:32,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:12:32,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:12:32,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:12:32,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:12:32,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:12:32,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:12:32,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:12:32,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:12:32,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:12:32,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:12:32,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:32,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:12:32,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:12:32,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:12:32,331 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:12:32,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:12:32,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:12:32,332 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:12:32,342 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_e48ec185-678e-4b7d-85f4-db43551d0b62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23f93c4b5aa5d0c1614210c7d43e5185eef5f35d440841695b085d9e491cf0d2 [2024-11-09 01:12:32,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:12:32,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:12:32,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:12:32,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:12:32,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:12:32,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i Unable to find full path for "g++" [2024-11-09 01:12:35,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:12:35,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:12:35,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-09 01:12:35,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data/d5858488a/4ebee44585704793b4d966baffabd679/FLAGcec2ff858 [2024-11-09 01:12:35,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/data/d5858488a/4ebee44585704793b4d966baffabd679 [2024-11-09 01:12:35,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:12:35,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:12:35,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:35,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:12:35,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:12:35,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f789a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35, skipping insertion in model container [2024-11-09 01:12:35,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:12:35,662 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_e48ec185-678e-4b7d-85f4-db43551d0b62/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i[917,930] [2024-11-09 01:12:35,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:35,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:12:35,777 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_e48ec185-678e-4b7d-85f4-db43551d0b62/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i[917,930] [2024-11-09 01:12:35,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:35,836 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:12:35,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35 WrapperNode [2024-11-09 01:12:35,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:35,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:35,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:12:35,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:12:35,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,910 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-09 01:12:35,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:35,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:12:35,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:12:35,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:12:35,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:12:35,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:12:35,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:12:35,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:12:35,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (1/1) ... [2024-11-09 01:12:35,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:35,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:12:36,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:12:36,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:12:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:12:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:12:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:12:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:12:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:12:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:12:36,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:12:36,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:12:36,417 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 01:12:36,418 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:12:36,431 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:12:36,431 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:12:36,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:36 BoogieIcfgContainer [2024-11-09 01:12:36,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:12:36,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:12:36,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:12:36,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:12:36,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:12:35" (1/3) ... [2024-11-09 01:12:36,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7693c11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:36, skipping insertion in model container [2024-11-09 01:12:36,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:35" (2/3) ... [2024-11-09 01:12:36,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7693c11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:36, skipping insertion in model container [2024-11-09 01:12:36,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:36" (3/3) ... [2024-11-09 01:12:36,442 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-09 01:12:36,462 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:12:36,463 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:12:36,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:12:36,566 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;@67ee7eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:12:36,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:12:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:12:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 01:12:36,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:36,588 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:12:36,589 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:36,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:36,598 INFO L85 PathProgramCache]: Analyzing trace with hash 2106025140, now seen corresponding path program 1 times [2024-11-09 01:12:36,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:36,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105455342] [2024-11-09 01:12:36,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:36,616 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 01:12:36,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:36,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:12:36,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:12:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:36,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:12:36,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 01:12:36,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:36,880 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:36,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105455342] [2024-11-09 01:12:36,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105455342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:36,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:36,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:12:36,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155607044] [2024-11-09 01:12:36,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:36,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:12:36,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:36,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:12:36,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:12:36,927 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 01:12:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:36,964 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-11-09 01:12:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:12:36,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-11-09 01:12:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:36,977 INFO L225 Difference]: With dead ends: 75 [2024-11-09 01:12:36,977 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 01:12:36,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 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 01:12:36,987 INFO L432 NwaCegarLoop]: 50 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, 50 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 01:12:36,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:12:37,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 01:12:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 01:12:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:12:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-09 01:12:37,057 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-11-09 01:12:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:37,058 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-09 01:12:37,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 01:12:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-09 01:12:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 01:12:37,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:37,066 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:12:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:12:37,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:12:37,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:37,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:37,272 INFO L85 PathProgramCache]: Analyzing trace with hash 2068368112, now seen corresponding path program 1 times [2024-11-09 01:12:37,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:37,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942323393] [2024-11-09 01:12:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:37,275 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 01:12:37,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:37,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:12:37,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:12:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:37,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 01:12:37,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 01:12:38,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:13:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 01:13:17,962 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:13:17,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942323393] [2024-11-09 01:13:17,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942323393] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 01:13:17,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:13:17,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-09 01:13:17,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898670746] [2024-11-09 01:13:17,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:13:17,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 01:13:17,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:13:17,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 01:13:17,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-09 01:13:17,967 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:13:20,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:13:20,612 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2024-11-09 01:13:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:13:20,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 01:13:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:13:20,615 INFO L225 Difference]: With dead ends: 58 [2024-11-09 01:13:20,616 INFO L226 Difference]: Without dead ends: 56 [2024-11-09 01:13:20,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-09 01:13:20,618 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 39 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:13:20,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 183 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:13:20,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-09 01:13:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-11-09 01:13:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:13:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-11-09 01:13:20,630 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-11-09 01:13:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:13:20,631 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-09 01:13:20,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:13:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-11-09 01:13:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 01:13:20,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:13:20,633 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:13:20,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 01:13:20,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:13:20,834 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:13:20,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:13:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2070215154, now seen corresponding path program 1 times [2024-11-09 01:13:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:13:20,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730718869] [2024-11-09 01:13:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:20,836 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 01:13:20,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:13:20,839 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:13:20,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:13:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:20,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 01:13:20,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-09 01:13:48,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:14:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 01:14:12,951 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:14:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730718869] [2024-11-09 01:14:12,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730718869] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 01:14:12,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:14:12,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2024-11-09 01:14:12,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924853983] [2024-11-09 01:14:12,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:14:12,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 01:14:12,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:14:12,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 01:14:12,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-09 01:14:12,955 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:14:14,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:14:14,859 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2024-11-09 01:14:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 01:14:14,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 01:14:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:14:14,865 INFO L225 Difference]: With dead ends: 63 [2024-11-09 01:14:14,865 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 01:14:14,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-11-09 01:14:14,870 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 61 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:14:14,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 199 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:14:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 01:14:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2024-11-09 01:14:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:14:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-11-09 01:14:14,886 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-11-09 01:14:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:14:14,887 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-09 01:14:14,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:14:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-11-09 01:14:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 01:14:14,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:14:14,888 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:14:14,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:14:15,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:14:15,091 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:14:15,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:14:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash -965727248, now seen corresponding path program 1 times [2024-11-09 01:14:15,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:14:15,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141396449] [2024-11-09 01:14:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:15,092 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 01:14:15,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:14:15,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:14:15,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:14:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:14:15,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 01:14:15,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:14:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 01:14:31,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:15:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-09 01:15:06,573 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:15:06,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141396449] [2024-11-09 01:15:06,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141396449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:15:06,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [756185552] [2024-11-09 01:15:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:06,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:15:06,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:15:06,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:15:06,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 01:15:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:06,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 01:15:06,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:15:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 01:15:39,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:15:39,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [756185552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:39,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:15:39,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18, 18] total 37 [2024-11-09 01:15:39,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047492408] [2024-11-09 01:15:39,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:39,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 01:15:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:15:39,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 01:15:39,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1089, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 01:15:39,385 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:15:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:39,822 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2024-11-09 01:15:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 01:15:39,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 01:15:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:39,826 INFO L225 Difference]: With dead ends: 70 [2024-11-09 01:15:39,827 INFO L226 Difference]: Without dead ends: 68 [2024-11-09 01:15:39,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 01:15:39,829 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 60 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:15:39,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 181 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:15:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-09 01:15:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 46. [2024-11-09 01:15:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:15:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2024-11-09 01:15:39,845 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 74 [2024-11-09 01:15:39,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:39,846 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2024-11-09 01:15:39,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:15:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-09 01:15:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 01:15:39,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:39,848 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:39,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:15:40,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:15:40,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 01:15:40,249 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:40,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:40,250 INFO L85 PathProgramCache]: Analyzing trace with hash -963880206, now seen corresponding path program 1 times [2024-11-09 01:15:40,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:15:40,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854813743] [2024-11-09 01:15:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:40,251 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 01:15:40,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:15:40,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:15:40,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 01:15:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:40,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 01:15:40,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 01:16:00,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:00,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:16:00,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854813743] [2024-11-09 01:16:00,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854813743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:00,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:00,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 01:16:00,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97335782] [2024-11-09 01:16:00,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:00,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 01:16:00,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:16:00,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 01:16:00,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-09 01:16:00,558 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:16:01,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:01,185 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2024-11-09 01:16:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 01:16:01,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 01:16:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:01,187 INFO L225 Difference]: With dead ends: 68 [2024-11-09 01:16:01,187 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 01:16:01,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-09 01:16:01,189 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 37 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:01,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 178 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:16:01,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 01:16:01,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2024-11-09 01:16:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:16:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-11-09 01:16:01,200 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-11-09 01:16:01,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:01,201 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-09 01:16:01,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 01:16:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-11-09 01:16:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 01:16:01,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:01,203 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:01,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 01:16:01,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:16:01,404 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:01,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash -908468946, now seen corresponding path program 1 times [2024-11-09 01:16:01,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:16:01,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934983901] [2024-11-09 01:16:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:01,405 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 01:16:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:16:01,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:16:01,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:16:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:01,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:16:01,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-09 01:16:01,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:16:01,864 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 01:16:01,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:16:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934983901] [2024-11-09 01:16:01,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934983901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:16:01,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1499339625] [2024-11-09 01:16:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:01,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:16:01,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:16:01,869 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:16:01,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 01:16:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:02,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 01:16:02,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-09 01:16:02,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:16:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 01:16:02,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1499339625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:16:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569575961] [2024-11-09 01:16:02,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:02,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:02,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:02,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:02,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 01:16:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:02,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:16:02,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-09 01:16:02,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:16:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 01:16:02,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569575961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:16:02,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 01:16:02,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 12 [2024-11-09 01:16:02,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122952342] [2024-11-09 01:16:02,615 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 01:16:02,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 01:16:02,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:16:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 01:16:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 01:16:02,617 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 01:16:03,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:03,395 INFO L93 Difference]: Finished difference Result 117 states and 151 transitions. [2024-11-09 01:16:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 01:16:03,396 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 74 [2024-11-09 01:16:03,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:03,397 INFO L225 Difference]: With dead ends: 117 [2024-11-09 01:16:03,397 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:16:03,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2024-11-09 01:16:03,399 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 88 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:03,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 117 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:16:03,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:16:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:16:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:16:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:16:03,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-09 01:16:03,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:03,405 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:16:03,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 01:16:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:16:03,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:16:03,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:16:03,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 01:16:03,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 01:16:03,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 01:16:04,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/mathsat -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 01:16:04,014 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-09 01:16:04,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 01:16:06,722 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:16:06,735 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-09 01:16:06,736 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-09 01:16:06,737 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 01:16:06,737 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 01:16:06,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 01:16:06,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 01:16:06,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-09 01:16:06,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-09 01:16:06,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 01:16:06,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 01:16:06,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-09 01:16:06,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-09 01:16:06,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 01:16:06,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 01:16:06,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:16:06 BoogieIcfgContainer [2024-11-09 01:16:06,771 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:16:06,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:16:06,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:16:06,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:16:06,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:36" (3/4) ... [2024-11-09 01:16:06,779 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:16:06,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 01:16:06,795 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 01:16:06,799 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 01:16:06,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:16:06,800 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:16:06,944 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:16:06,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:16:06,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:16:06,949 INFO L158 Benchmark]: Toolchain (without parser) took 211608.55ms. Allocated memory was 77.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 55.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,949 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:16:06,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.17ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 41.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.42ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,954 INFO L158 Benchmark]: Boogie Preprocessor took 55.27ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,954 INFO L158 Benchmark]: RCFGBuilder took 464.87ms. Allocated memory is still 77.6MB. Free memory was 37.2MB in the beginning and 45.9MB in the end (delta: -8.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,955 INFO L158 Benchmark]: TraceAbstraction took 210336.76ms. Allocated memory was 77.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 45.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 671.3MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,955 INFO L158 Benchmark]: Witness Printer took 176.65ms. Allocated memory is still 1.1GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:16:06,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.17ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 41.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.42ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.27ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.87ms. Allocated memory is still 77.6MB. Free memory was 37.2MB in the beginning and 45.9MB in the end (delta: -8.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 210336.76ms. Allocated memory was 77.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 45.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 671.3MB. Max. memory is 16.1GB. * Witness Printer took 176.65ms. Allocated memory is still 1.1GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 207.5s, OverallIterations: 6, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 287 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 285 mSDsluCounter, 908 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 622 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 591 IncrementalHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 286 mSDtfsCounter, 591 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1123 GetRequests, 1006 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=4, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 70 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 197.6s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1095 ConstructedInterpolants, 13 QuantifiedInterpolants, 10274 SizeOfPredicates, 72 NumberOfNonLiveVariables, 1130 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 3024/3300 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((0 != -var_1_8) && (var_1_1 != var_1_8)) && (var_1_9 <= 127)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((((0 != -var_1_8) && (var_1_1 != var_1_8)) && (var_1_9 <= 127)) || ((0 != -var_1_8) && (var_1_1 != var_1_8))) Ensures: ((((0 != cond) && (0 != -var_1_8)) && (var_1_1 != var_1_8)) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 01:16:07,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ec185-678e-4b7d-85f4-db43551d0b62/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 Writing output log to file Ultimate.log Result: TRUE