./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E --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 22fa4060294a09539330d4735cc6009dbd85eb0b342c0594bbbbd9284eb3fd3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:10:47,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:10:47,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:10:47,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:10:47,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:10:47,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:10:47,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:10:47,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:10:47,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:10:47,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:10:47,186 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:10:47,186 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:10:47,186 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:10:47,186 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:10:47,187 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:10:47,187 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:10:47,187 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:10:47,187 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:10:47,187 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:10:47,187 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:10:47,188 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:10:47,188 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:10:47,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:10:47,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:10:47,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:10:47,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:10:47,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:10:47,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:10:47,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:10:47,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:10:47,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:10:47,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:10:47,191 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:10:47,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:10:47,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:10:47,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:10:47,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:10:47,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:10:47,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:10:47,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:10:47,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:10:47,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:10:47,193 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:10:47,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:10:47,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:10:47,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:10:47,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:10:47,194 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E 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 -> 22fa4060294a09539330d4735cc6009dbd85eb0b342c0594bbbbd9284eb3fd3c [2024-11-14 05:10:47,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:10:47,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:10:47,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:10:47,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:10:47,526 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:10:47,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i Unable to find full path for "g++" [2024-11-14 05:10:49,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:10:49,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:10:49,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i [2024-11-14 05:10:49,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data/1fa69b8af/e3fd29d89ac34f70b035cdfce13d6bb6/FLAG386c63a27 [2024-11-14 05:10:49,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data/1fa69b8af/e3fd29d89ac34f70b035cdfce13d6bb6 [2024-11-14 05:10:49,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:10:49,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:10:49,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:10:49,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:10:49,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:10:49,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:10:49" (1/1) ... [2024-11-14 05:10:49,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c98a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:49, skipping insertion in model container [2024-11-14 05:10:49,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:10:49" (1/1) ... [2024-11-14 05:10:49,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:10:50,098 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_a7597000-6ae6-4270-82fc-cef4c4f1b985/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i[916,929] [2024-11-14 05:10:50,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:10:50,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:10:50,230 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_a7597000-6ae6-4270-82fc-cef4c4f1b985/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i[916,929] [2024-11-14 05:10:50,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:10:50,296 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:10:50,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50 WrapperNode [2024-11-14 05:10:50,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:10:50,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:10:50,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:10:50,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:10:50,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,376 INFO L138 Inliner]: procedures = 29, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2024-11-14 05:10:50,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:10:50,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:10:50,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:10:50,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:10:50,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:10:50,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:10:50,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:10:50,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:10:50,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (1/1) ... [2024-11-14 05:10:50,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:10:50,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:10:50,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:10:50,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 05:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 05:10:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:10:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 05:10:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:10:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:10:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:10:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:10:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:10:50,689 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:10:50,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:10:51,650 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-14 05:10:51,650 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:10:52,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:10:52,466 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:10:52,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:52 BoogieIcfgContainer [2024-11-14 05:10:52,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:10:52,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:10:52,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:10:52,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:10:52,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:10:49" (1/3) ... [2024-11-14 05:10:52,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d97973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:10:52, skipping insertion in model container [2024-11-14 05:10:52,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:50" (2/3) ... [2024-11-14 05:10:52,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d97973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:10:52, skipping insertion in model container [2024-11-14 05:10:52,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:52" (3/3) ... [2024-11-14 05:10:52,481 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-81.i [2024-11-14 05:10:52,500 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:10:52,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-81.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:10:52,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:10:52,566 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;@1fd42270, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:10:52,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:10:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:10:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 05:10:52,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:10:52,576 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:10:52,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:10:52,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:10:52,582 INFO L85 PathProgramCache]: Analyzing trace with hash -602208189, now seen corresponding path program 1 times [2024-11-14 05:10:52,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:10:52,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875849231] [2024-11-14 05:10:52,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:52,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:10:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:10:55,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:10:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:10:56,894 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:10:56,896 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:10:56,898 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:10:56,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:10:56,906 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:10:57,044 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:10:57,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:10:57 BoogieIcfgContainer [2024-11-14 05:10:57,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:10:57,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:10:57,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:10:57,054 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:10:57,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:52" (3/4) ... [2024-11-14 05:10:57,059 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:10:57,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:10:57,061 INFO L158 Benchmark]: Toolchain (without parser) took 7161.61ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.2MB in the beginning and 352.1MB in the end (delta: -232.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-14 05:10:57,062 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:57,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.98ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 103.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:10:57,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.14ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 99.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:57,067 INFO L158 Benchmark]: Boogie Preprocessor took 57.56ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 95.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:10:57,067 INFO L158 Benchmark]: RCFGBuilder took 2031.08ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 97.1MB in the end (delta: -1.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-14 05:10:57,068 INFO L158 Benchmark]: TraceAbstraction took 4583.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 96.4MB in the beginning and 352.2MB in the end (delta: -255.8MB). Peak memory consumption was 233.0MB. Max. memory is 16.1GB. [2024-11-14 05:10:57,068 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 427.8MB. Free memory was 352.2MB in the beginning and 352.1MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:57,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.98ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 103.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.14ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 99.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.56ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 95.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2031.08ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 97.1MB in the end (delta: -1.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4583.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 96.4MB in the beginning and 352.2MB in the end (delta: -255.8MB). Peak memory consumption was 233.0MB. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 427.8MB. Free memory was 352.2MB in the beginning and 352.1MB in the end (delta: 54.6kB). 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 someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of bitwiseOr at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[5] = { 999999999999.3, 0.0, 2.5, 4.5, 9999.5 }; [L28-L30] signed char signed_char_Array_0[3] = { 16, -128, 16 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -8 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2][2] = { {5, 128}, {32647, 16} }; [L37] signed long int last_1_signed_long_int_Array_0_0_ = -8; [L38] unsigned short int last_1_unsigned_short_int_Array_0_0__0_ = 5; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L102] EXPR signed_long_int_Array_0[0] [L102] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L103] EXPR unsigned_short_int_Array_0[0][0] [L103] last_1_unsigned_short_int_Array_0_0__0_ = unsigned_short_int_Array_0[0][0] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] double_Array_0[0] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[0] [L78] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L78] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) [L78] EXPR double_Array_0[0] [L78] EXPR double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F [L78] EXPR double_Array_0[0] [L78] EXPR double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F [L78] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] double_Array_0[1] = __VERIFIER_nondet_double() [L80] EXPR double_Array_0[1] [L80] EXPR double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F [L80] EXPR (double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) [L80] EXPR double_Array_0[1] [L80] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L80] EXPR double_Array_0[1] [L80] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L80] EXPR (double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((double_Array_0[1] >= 4611686.018427382800e+12F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] double_Array_0[2] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[2] [L82] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L82] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) [L82] EXPR double_Array_0[2] [L82] EXPR double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F [L82] EXPR double_Array_0[2] [L82] EXPR double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F [L82] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] double_Array_0[3] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[3] [L84] EXPR double_Array_0[3] >= -922337.2036854765600e+13F && double_Array_0[3] <= -1.0e-20F [L84] EXPR (double_Array_0[3] >= -922337.2036854765600e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F ) [L84] EXPR double_Array_0[3] [L84] EXPR double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F [L84] EXPR double_Array_0[3] [L84] EXPR double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F [L84] EXPR (double_Array_0[3] >= -922337.2036854765600e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not((double_Array_0[3] >= -922337.2036854765600e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((double_Array_0[3] >= -922337.2036854765600e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[0] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L88] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[2] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[2] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_char_Array_0[2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L91] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L92] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L95] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] unsigned_short_int_Array_0[1][1] = __VERIFIER_nondet_ushort() [L98] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L98] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L99] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L99] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L114] RET updateVariables() [L115] CALL step() [L42] signed long int stepLocal_0 = (((-25) < (last_1_signed_long_int_Array_0_0_)) ? (-25) : (last_1_signed_long_int_Array_0_0_)); [L43] EXPR last_1_signed_long_int_Array_0_0_ ^ last_1_unsigned_short_int_Array_0_0__0_ [L43] COND TRUE stepLocal_0 != (last_1_signed_long_int_Array_0_0_ ^ last_1_unsigned_short_int_Array_0_0__0_) [L44] BOOL_unsigned_char_Array_0[1] [L44] COND TRUE BOOL_unsigned_char_Array_0[1] [L45] EXPR signed_char_Array_0[2] [L45] EXPR signed_char_Array_0[0] [L45] signed_char_Array_0[1] = (signed_char_Array_0[2] + signed_char_Array_0[0]) [L50] EXPR signed_char_Array_0[2] [L50] EXPR signed_char_Array_0[1] [L50] unsigned char stepLocal_1 = signed_char_Array_0[2] >= signed_char_Array_0[1]; [L51] stepLocal_1 && BOOL_unsigned_char_Array_0[0] [L51] COND FALSE !(stepLocal_1 && BOOL_unsigned_char_Array_0[0]) [L54] EXPR unsigned_short_int_Array_0[1][0] [L54] EXPR unsigned_short_int_Array_0[0][1] [L54] unsigned_short_int_Array_0[0][0] = ((unsigned_short_int_Array_0[1][0] - 5) + unsigned_short_int_Array_0[0][1]) [L56] EXPR signed_char_Array_0[1] [L56] signed char stepLocal_2 = signed_char_Array_0[1]; [L57] EXPR unsigned_short_int_Array_0[1][0] [L57] COND FALSE !(stepLocal_2 > unsigned_short_int_Array_0[1][0]) [L64] EXPR unsigned_short_int_Array_0[1][1] [L64] signed_long_int_Array_0[0] = unsigned_short_int_Array_0[1][1] [L66] BOOL_unsigned_char_Array_0[1] [L66] COND TRUE BOOL_unsigned_char_Array_0[1] [L67] EXPR double_Array_0[3] [L67] EXPR double_Array_0[2] [L67] EXPR double_Array_0[1] [L67] EXPR double_Array_0[0] [L67] EXPR ((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))) [L67] EXPR double_Array_0[2] [L67] EXPR double_Array_0[1] [L67] EXPR double_Array_0[0] [L67] EXPR ((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))) [L67] double_Array_0[4] = ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR BOOL_unsigned_char_Array_0[1] [L106] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[4] == ((double) ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))))) : 1 [L106] EXPR double_Array_0[4] [L106] EXPR double_Array_0[3] [L106] EXPR double_Array_0[2] [L106] EXPR double_Array_0[1] [L106] EXPR double_Array_0[0] [L106] EXPR ((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))) [L106] EXPR double_Array_0[2] [L106] EXPR double_Array_0[1] [L106] EXPR double_Array_0[0] [L106] EXPR ((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))) [L106] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[4] == ((double) ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))))) : 1 [L106] EXPR (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[4] == ((double) ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))))) : 1) && ((((((-25) < (last_1_signed_long_int_Array_0_0_)) ? (-25) : (last_1_signed_long_int_Array_0_0_))) != (last_1_signed_long_int_Array_0_0_ ^ last_1_unsigned_short_int_Array_0_0__0_)) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[2] + signed_char_Array_0[0]))) : 1) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[2])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[2])))))) [L106] EXPR ((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[4] == ((double) ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))))) : 1) && ((((((-25) < (last_1_signed_long_int_Array_0_0_)) ? (-25) : (last_1_signed_long_int_Array_0_0_))) != (last_1_signed_long_int_Array_0_0_ ^ last_1_unsigned_short_int_Array_0_0__0_)) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[2] + signed_char_Array_0[0]))) : 1) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[2])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[2]))))))) && (((signed_char_Array_0[2] >= signed_char_Array_0[1]) && BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1][1]) < (100)) ? (unsigned_short_int_Array_0[1][1]) : (100))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((unsigned_short_int_Array_0[1][0] - 5) + unsigned_short_int_Array_0[0][1])))) [L106] EXPR (((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[4] == ((double) ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))))) : 1) && ((((((-25) < (last_1_signed_long_int_Array_0_0_)) ? (-25) : (last_1_signed_long_int_Array_0_0_))) != (last_1_signed_long_int_Array_0_0_ ^ last_1_unsigned_short_int_Array_0_0__0_)) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[2] + signed_char_Array_0[0]))) : 1) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[2])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[2]))))))) && (((signed_char_Array_0[2] >= signed_char_Array_0[1]) && BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1][1]) < (100)) ? (unsigned_short_int_Array_0[1][1]) : (100))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((unsigned_short_int_Array_0[1][0] - 5) + unsigned_short_int_Array_0[0][1]))))) && ((signed_char_Array_0[1] > unsigned_short_int_Array_0[1][0]) ? ((double_Array_0[3] < (double_Array_0[1] - double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) ((((unsigned_short_int_Array_0[1][1]) < 0 ) ? -(unsigned_short_int_Array_0[1][1]) : (unsigned_short_int_Array_0[1][1]))))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[1][1]))) [L106-L107] return (((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[4] == ((double) ((((double_Array_0[3]) > ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0])))) ? (double_Array_0[3]) : ((double_Array_0[2] - (double_Array_0[1] - double_Array_0[0]))))))) : 1) && ((((((-25) < (last_1_signed_long_int_Array_0_0_)) ? (-25) : (last_1_signed_long_int_Array_0_0_))) != (last_1_signed_long_int_Array_0_0_ ^ last_1_unsigned_short_int_Array_0_0__0_)) ? (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[2] + signed_char_Array_0[0]))) : 1) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[2])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[2]))))))) && (((signed_char_Array_0[2] >= signed_char_Array_0[1]) && BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1][1]) < (100)) ? (unsigned_short_int_Array_0[1][1]) : (100))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((unsigned_short_int_Array_0[1][0] - 5) + unsigned_short_int_Array_0[0][1]))))) && ((signed_char_Array_0[1] > unsigned_short_int_Array_0[1][0]) ? ((double_Array_0[3] < (double_Array_0[1] - double_Array_0[0])) ? (signed_long_int_Array_0[0] == ((signed long int) ((((unsigned_short_int_Array_0[1][1]) < 0 ) ? -(unsigned_short_int_Array_0[1][1]) : (unsigned_short_int_Array_0[1][1]))))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[1][1]))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-8, last_1_unsigned_short_int_Array_0_0__0_=5, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 1, TraceHistogramMax: 18, 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=45occurred 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, 2.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 [2024-11-14 05:10:57,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E --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 22fa4060294a09539330d4735cc6009dbd85eb0b342c0594bbbbd9284eb3fd3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:11:00,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:11:00,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:11:00,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:11:00,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:11:00,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:11:00,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:11:00,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:11:00,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:11:00,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:11:00,257 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:11:00,257 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:11:00,257 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:11:00,257 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:11:00,257 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:11:00,257 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:11:00,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:11:00,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:11:00,258 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:11:00,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:11:00,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:11:00,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:11:00,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:11:00,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:11:00,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:00,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:11:00,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:11:00,261 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:11:00,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E 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 -> 22fa4060294a09539330d4735cc6009dbd85eb0b342c0594bbbbd9284eb3fd3c [2024-11-14 05:11:00,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:11:00,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:11:00,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:11:00,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:11:00,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:11:00,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i Unable to find full path for "g++" [2024-11-14 05:11:02,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:11:02,846 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:11:02,847 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i [2024-11-14 05:11:02,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data/a7a799858/346ddaee3678457a84c52dedfb9e2f0c/FLAGc70a44d5c [2024-11-14 05:11:02,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/data/a7a799858/346ddaee3678457a84c52dedfb9e2f0c [2024-11-14 05:11:02,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:11:02,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:11:02,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:11:02,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:11:02,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:11:02,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:11:02" (1/1) ... [2024-11-14 05:11:02,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2307252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:02, skipping insertion in model container [2024-11-14 05:11:02,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:11:02" (1/1) ... [2024-11-14 05:11:02,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:11:03,146 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_a7597000-6ae6-4270-82fc-cef4c4f1b985/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i[916,929] [2024-11-14 05:11:03,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:11:03,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:11:03,293 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_a7597000-6ae6-4270-82fc-cef4c4f1b985/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-81.i[916,929] [2024-11-14 05:11:03,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:11:03,439 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:11:03,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03 WrapperNode [2024-11-14 05:11:03,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:11:03,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:11:03,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:11:03,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:11:03,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,529 INFO L138 Inliner]: procedures = 36, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 529 [2024-11-14 05:11:03,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:11:03,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:11:03,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:11:03,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:11:03,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:11:03,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:11:03,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:11:03,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:11:03,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (1/1) ... [2024-11-14 05:11:03,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:03,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:11:03,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:11:03,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:11:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:11:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 05:11:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:11:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:11:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:11:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:11:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 05:11:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 05:11:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 05:11:03,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:11:03,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:11:10,417 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-14 05:11:10,417 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:11:10,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:11:10,439 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:11:10,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:10 BoogieIcfgContainer [2024-11-14 05:11:10,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:11:10,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:11:10,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:11:10,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:11:10,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:11:02" (1/3) ... [2024-11-14 05:11:10,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266b9b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:11:10, skipping insertion in model container [2024-11-14 05:11:10,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:03" (2/3) ... [2024-11-14 05:11:10,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266b9b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:11:10, skipping insertion in model container [2024-11-14 05:11:10,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:10" (3/3) ... [2024-11-14 05:11:10,455 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-81.i [2024-11-14 05:11:10,473 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:11:10,475 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-81.i that has 2 procedures, 121 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:11:10,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:11:10,568 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;@43f1d470, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:11:10,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:11:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:11:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-14 05:11:10,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:10,593 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:10,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:10,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:10,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1084298054, now seen corresponding path program 1 times [2024-11-14 05:11:10,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:10,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331682992] [2024-11-14 05:11:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:10,618 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 [2024-11-14 05:11:10,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:10,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:10,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:11,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:11:11,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-14 05:11:11,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:11,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:11,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331682992] [2024-11-14 05:11:11,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331682992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:11,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:11,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:11:11,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399876422] [2024-11-14 05:11:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:11,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:11:11,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:11:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:11:11,190 INFO L87 Difference]: Start difference. First operand has 121 states, 100 states have (on average 1.42) internal successors, (142), 101 states have internal predecessors, (142), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:11:11,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:11,237 INFO L93 Difference]: Finished difference Result 235 states and 368 transitions. [2024-11-14 05:11:11,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:11:11,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-14 05:11:11,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:11,246 INFO L225 Difference]: With dead ends: 235 [2024-11-14 05:11:11,246 INFO L226 Difference]: Without dead ends: 117 [2024-11-14 05:11:11,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:11:11,254 INFO L432 NwaCegarLoop]: 169 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, 169 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 [2024-11-14 05:11:11,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:11:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-14 05:11:11,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-14 05:11:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:11:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2024-11-14 05:11:11,310 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 147 [2024-11-14 05:11:11,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:11,311 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2024-11-14 05:11:11,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:11:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2024-11-14 05:11:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-14 05:11:11,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:11,315 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:11,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:11,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:11:11,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:11,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:11,520 INFO L85 PathProgramCache]: Analyzing trace with hash 73487390, now seen corresponding path program 1 times [2024-11-14 05:11:11,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:11,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670120686] [2024-11-14 05:11:11,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:11,521 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 [2024-11-14 05:11:11,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:11,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:11,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:11,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:11:11,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:11:12,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:12,029 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:12,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670120686] [2024-11-14 05:11:12,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670120686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:12,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:12,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:11:12,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507177061] [2024-11-14 05:11:12,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:12,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:11:12,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:12,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:11:12,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:11:12,035 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:12,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:12,131 INFO L93 Difference]: Finished difference Result 233 states and 338 transitions. [2024-11-14 05:11:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:11:12,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-14 05:11:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:12,134 INFO L225 Difference]: With dead ends: 233 [2024-11-14 05:11:12,134 INFO L226 Difference]: Without dead ends: 119 [2024-11-14 05:11:12,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:11:12,136 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:12,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:11:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-14 05:11:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-14 05:11:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:11:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-14 05:11:12,151 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 147 [2024-11-14 05:11:12,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:12,153 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-14 05:11:12,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-14 05:11:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-14 05:11:12,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:12,156 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:12,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:12,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:11:12,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:12,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash 355918041, now seen corresponding path program 1 times [2024-11-14 05:11:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:12,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824828694] [2024-11-14 05:11:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:12,358 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 [2024-11-14 05:11:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:12,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:12,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:12,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:11:12,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:11:13,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:13,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:13,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824828694] [2024-11-14 05:11:13,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824828694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:13,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:13,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:11:13,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103923634] [2024-11-14 05:11:13,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:13,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:11:13,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:13,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:11:13,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:11:13,086 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:16,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:18,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:21,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:23,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:25,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:26,433 INFO L93 Difference]: Finished difference Result 276 states and 392 transitions. [2024-11-14 05:11:26,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:11:26,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-11-14 05:11:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:26,445 INFO L225 Difference]: With dead ends: 276 [2024-11-14 05:11:26,445 INFO L226 Difference]: Without dead ends: 160 [2024-11-14 05:11:26,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:11:26,447 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 50 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:26,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 494 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2024-11-14 05:11:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-14 05:11:26,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2024-11-14 05:11:26,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.3507462686567164) internal successors, (181), 135 states have internal predecessors, (181), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:11:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 221 transitions. [2024-11-14 05:11:26,487 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 221 transitions. Word has length 149 [2024-11-14 05:11:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:26,489 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 221 transitions. [2024-11-14 05:11:26,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 221 transitions. [2024-11-14 05:11:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 05:11:26,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:26,496 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:26,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:26,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:11:26,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:26,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:26,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1189761300, now seen corresponding path program 1 times [2024-11-14 05:11:26,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:26,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265757372] [2024-11-14 05:11:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:26,698 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 [2024-11-14 05:11:26,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:26,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:26,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:27,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:11:27,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:27,243 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-14 05:11:27,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 23 [2024-11-14 05:11:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:11:29,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:29,988 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:29,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265757372] [2024-11-14 05:11:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265757372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:29,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:11:29,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511052649] [2024-11-14 05:11:29,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:29,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:11:29,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:29,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:11:29,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:11:29,992 INFO L87 Difference]: Start difference. First operand 157 states and 221 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:32,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:35,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:37,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:40,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:42,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:42,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:42,429 INFO L93 Difference]: Finished difference Result 454 states and 643 transitions. [2024-11-14 05:11:42,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:11:42,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-14 05:11:42,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:42,435 INFO L225 Difference]: With dead ends: 454 [2024-11-14 05:11:42,435 INFO L226 Difference]: Without dead ends: 300 [2024-11-14 05:11:42,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:11:42,437 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 80 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:42,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 413 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 4 Unknown, 0 Unchecked, 12.4s Time] [2024-11-14 05:11:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-14 05:11:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 252. [2024-11-14 05:11:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 210 states have (on average 1.3428571428571427) internal successors, (282), 211 states have internal predecessors, (282), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 05:11:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 358 transitions. [2024-11-14 05:11:42,503 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 358 transitions. Word has length 151 [2024-11-14 05:11:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:42,504 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 358 transitions. [2024-11-14 05:11:42,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:42,504 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 358 transitions. [2024-11-14 05:11:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 05:11:42,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:42,507 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:42,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:42,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:11:42,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:42,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:42,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1590191179, now seen corresponding path program 1 times [2024-11-14 05:11:42,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:42,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186634310] [2024-11-14 05:11:42,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:42,710 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 [2024-11-14 05:11:42,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:42,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:42,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:11:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:43,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:11:43,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:11:43,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:43,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:43,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186634310] [2024-11-14 05:11:43,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186634310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:43,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:43,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:11:43,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126413098] [2024-11-14 05:11:43,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:43,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:11:43,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:11:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:11:43,207 INFO L87 Difference]: Start difference. First operand 252 states and 358 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:46,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:47,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:49,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:51,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:53,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:54,671 INFO L93 Difference]: Finished difference Result 409 states and 578 transitions. [2024-11-14 05:11:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:11:54,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-14 05:11:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:54,674 INFO L225 Difference]: With dead ends: 409 [2024-11-14 05:11:54,674 INFO L226 Difference]: Without dead ends: 255 [2024-11-14 05:11:54,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:11:54,676 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 45 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:54,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 496 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 3 Unknown, 0 Unchecked, 11.4s Time] [2024-11-14 05:11:54,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-14 05:11:54,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 252. [2024-11-14 05:11:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 210 states have (on average 1.338095238095238) internal successors, (281), 211 states have internal predecessors, (281), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 05:11:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2024-11-14 05:11:54,716 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 151 [2024-11-14 05:11:54,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:54,716 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2024-11-14 05:11:54,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2024-11-14 05:11:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 05:11:54,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:54,722 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:54,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:11:54,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:11:54,923 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:54,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash -889126601, now seen corresponding path program 1 times [2024-11-14 05:11:54,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:54,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931762975] [2024-11-14 05:11:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:54,924 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 [2024-11-14 05:11:54,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:54,926 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:54,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:55,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:11:55,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:11:55,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:55,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931762975] [2024-11-14 05:11:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931762975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:55,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:55,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:11:55,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517544356] [2024-11-14 05:11:55,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:55,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:11:55,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:11:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:11:55,411 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:55,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:55,568 INFO L93 Difference]: Finished difference Result 413 states and 583 transitions. [2024-11-14 05:11:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:11:55,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 151 [2024-11-14 05:11:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:55,572 INFO L225 Difference]: With dead ends: 413 [2024-11-14 05:11:55,572 INFO L226 Difference]: Without dead ends: 259 [2024-11-14 05:11:55,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:11:55,573 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:55,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 804 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:11:55,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-14 05:11:55,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-11-14 05:11:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 217 states have (on average 1.327188940092166) internal successors, (288), 218 states have internal predecessors, (288), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 05:11:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 364 transitions. [2024-11-14 05:11:55,595 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 364 transitions. Word has length 151 [2024-11-14 05:11:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:55,596 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 364 transitions. [2024-11-14 05:11:55,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:11:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 364 transitions. [2024-11-14 05:11:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 05:11:55,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:55,598 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:55,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:55,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:11:55,802 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:55,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:55,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1145804050, now seen corresponding path program 1 times [2024-11-14 05:11:55,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:55,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665251418] [2024-11-14 05:11:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:55,803 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 [2024-11-14 05:11:55,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:55,805 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:11:55,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:11:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:56,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:11:56,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:11:56,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:11:56,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-14 05:11:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-14 05:11:56,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:11:56,870 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:11:56,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665251418] [2024-11-14 05:11:56,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665251418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:11:56,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:11:56,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:11:56,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431194959] [2024-11-14 05:11:56,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:11:56,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:11:56,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:11:56,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:11:56,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:11:56,872 INFO L87 Difference]: Start difference. First operand 259 states and 364 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:12:00,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:02,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:04,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:06,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:08,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:10,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:12,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:12,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:12:12,647 INFO L93 Difference]: Finished difference Result 502 states and 705 transitions. [2024-11-14 05:12:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:12:12,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-14 05:12:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:12:12,651 INFO L225 Difference]: With dead ends: 502 [2024-11-14 05:12:12,651 INFO L226 Difference]: Without dead ends: 261 [2024-11-14 05:12:12,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:12:12,652 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:12:12,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 474 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2024-11-14 05:12:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-14 05:12:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2024-11-14 05:12:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 217 states have (on average 1.3179723502304148) internal successors, (286), 218 states have internal predecessors, (286), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 05:12:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 362 transitions. [2024-11-14 05:12:12,692 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 362 transitions. Word has length 151 [2024-11-14 05:12:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:12:12,693 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 362 transitions. [2024-11-14 05:12:12,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:12:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 362 transitions. [2024-11-14 05:12:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 05:12:12,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:12:12,695 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:12:12,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 05:12:12,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:12:12,896 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:12:12,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:12:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1681229460, now seen corresponding path program 1 times [2024-11-14 05:12:12,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:12:12,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426095421] [2024-11-14 05:12:12,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:12,897 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 [2024-11-14 05:12:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:12:12,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:12:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 05:12:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:12:13,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:12:13,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:12:14,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:12:14,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-14 05:12:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-14 05:12:14,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:12:14,113 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:12:14,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426095421] [2024-11-14 05:12:14,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426095421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:12:14,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:12:14,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:12:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880223443] [2024-11-14 05:12:14,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:12:14,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:12:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:12:14,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:12:14,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:12:14,115 INFO L87 Difference]: Start difference. First operand 259 states and 362 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:12:17,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:19,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:21,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:23,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:25,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:27,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:12:28,945 INFO L93 Difference]: Finished difference Result 495 states and 691 transitions. [2024-11-14 05:12:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:12:28,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2024-11-14 05:12:28,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:12:28,949 INFO L225 Difference]: With dead ends: 495 [2024-11-14 05:12:28,949 INFO L226 Difference]: Without dead ends: 261 [2024-11-14 05:12:28,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:12:28,951 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 139 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:12:28,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 470 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 4 Unknown, 0 Unchecked, 14.7s Time] [2024-11-14 05:12:28,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-14 05:12:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2024-11-14 05:12:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 217 states have (on average 1.3087557603686637) internal successors, (284), 218 states have internal predecessors, (284), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 05:12:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 360 transitions. [2024-11-14 05:12:28,979 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 360 transitions. Word has length 153 [2024-11-14 05:12:28,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:12:28,980 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 360 transitions. [2024-11-14 05:12:28,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:12:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 360 transitions. [2024-11-14 05:12:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-14 05:12:28,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:12:28,982 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:12:29,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 05:12:29,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:12:29,183 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:12:29,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:12:29,183 INFO L85 PathProgramCache]: Analyzing trace with hash -588135086, now seen corresponding path program 1 times [2024-11-14 05:12:29,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:12:29,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344058851] [2024-11-14 05:12:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:29,183 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 [2024-11-14 05:12:29,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:12:29,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:12:29,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 05:12:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:12:29,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:12:29,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:12:30,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:12:30,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 05:12:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-14 05:12:30,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:12:30,423 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:12:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344058851] [2024-11-14 05:12:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344058851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:12:30,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:12:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:12:30,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305268784] [2024-11-14 05:12:30,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:12:30,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:12:30,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:12:30,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:12:30,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:12:30,426 INFO L87 Difference]: Start difference. First operand 259 states and 360 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:12:33,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:34,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:36,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:38,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:40,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:42,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:12:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:12:43,849 INFO L93 Difference]: Finished difference Result 488 states and 677 transitions. [2024-11-14 05:12:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:12:43,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-11-14 05:12:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:12:43,853 INFO L225 Difference]: With dead ends: 488 [2024-11-14 05:12:43,853 INFO L226 Difference]: Without dead ends: 261 [2024-11-14 05:12:43,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:12:43,861 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 131 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:12:43,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 466 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2024-11-14 05:12:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-14 05:12:43,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2024-11-14 05:12:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 217 states have (on average 1.2995391705069124) internal successors, (282), 218 states have internal predecessors, (282), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-14 05:12:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 358 transitions. [2024-11-14 05:12:43,888 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 358 transitions. Word has length 155 [2024-11-14 05:12:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:12:43,888 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 358 transitions. [2024-11-14 05:12:43,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:12:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 358 transitions. [2024-11-14 05:12:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-14 05:12:43,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:12:43,891 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:12:43,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-14 05:12:44,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:12:44,092 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:12:44,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:12:44,093 INFO L85 PathProgramCache]: Analyzing trace with hash 749719468, now seen corresponding path program 1 times [2024-11-14 05:12:44,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:12:44,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641918910] [2024-11-14 05:12:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:12:44,094 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 [2024-11-14 05:12:44,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:12:44,097 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 05:12:44,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7597000-6ae6-4270-82fc-cef4c4f1b985/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process