./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire --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 ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:26,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:26,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:27:26,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:26,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:27,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:27,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:27,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:27,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:27,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:27,019 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:27,020 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:27,021 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:27,024 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:27,025 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:27,025 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:27,026 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:27,026 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:27,026 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:27,029 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:27,030 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:27,030 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:27,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:27,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:27,032 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:27:27,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:27,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:27:27,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:27,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:27,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:27,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:27,035 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:27:27,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:27,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:27,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:27,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:27,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:27,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:27,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:27,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:27,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:27,038 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:27,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:27,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:27,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:27,038 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:27,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:27,039 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac [2023-11-23 21:27:27,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:27,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:27,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:27,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:27,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:27,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-23 21:27:30,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:30,818 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:30,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-23 21:27:30,830 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data/5ccc0a7be/12be6b63afa14bf585b71fb2b22e8c12/FLAG9c7d57117 [2023-11-23 21:27:30,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data/5ccc0a7be/12be6b63afa14bf585b71fb2b22e8c12 [2023-11-23 21:27:30,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:30,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:30,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:30,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:30,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:30,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:30" (1/1) ... [2023-11-23 21:27:30,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443fd564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:30, skipping insertion in model container [2023-11-23 21:27:30,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:30" (1/1) ... [2023-11-23 21:27:30,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:31,073 WARN L240 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_7e4db188-0d7f-4505-a14e-7dea0efc8670/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-23 21:27:31,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:31,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:31,215 WARN L240 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_7e4db188-0d7f-4505-a14e-7dea0efc8670/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-23 21:27:31,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:31,350 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:31,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31 WrapperNode [2023-11-23 21:27:31,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:31,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:31,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:31,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:31,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,451 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-11-23 21:27:31,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:31,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:31,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:31,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:31,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:31,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:31,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:31,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:31,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (1/1) ... [2023-11-23 21:27:31,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:31,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:31,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:31,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:31,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:31,720 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:31,722 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:32,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:32,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:32,965 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:32,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:32 BoogieIcfgContainer [2023-11-23 21:27:32,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:32,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:32,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:32,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:32,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:30" (1/3) ... [2023-11-23 21:27:32,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c2986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:32, skipping insertion in model container [2023-11-23 21:27:32,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:31" (2/3) ... [2023-11-23 21:27:32,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c2986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:32, skipping insertion in model container [2023-11-23 21:27:32,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:32" (3/3) ... [2023-11-23 21:27:32,981 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-23 21:27:33,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:33,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:33,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:33,086 INFO L357 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, mHoare=true, 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;@5b3ff63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:33,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:27:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 21:27:33,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:33,111 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:33,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:33,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:33,116 INFO L85 PathProgramCache]: Analyzing trace with hash 766191151, now seen corresponding path program 1 times [2023-11-23 21:27:33,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:33,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056978715] [2023-11-23 21:27:33,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:33,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:33,335 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:27:33,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168247478] [2023-11-23 21:27:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:27:33,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:33,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:27:33,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:27:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:33,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:27:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:27:34,304 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:27:34,309 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:27:34,310 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:27:34,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:34,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:27:34,527 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:27:34,530 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:27:34,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:27:34 BoogieIcfgContainer [2023-11-23 21:27:34,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:27:34,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:27:34,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:27:34,709 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:27:34,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:32" (3/4) ... [2023-11-23 21:27:34,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:27:34,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:27:34,716 INFO L158 Benchmark]: Toolchain (without parser) took 3865.97ms. Allocated memory is still 165.7MB. Free memory was 135.4MB in the beginning and 89.2MB in the end (delta: 46.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-11-23 21:27:34,718 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:34,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.10ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 117.7MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:27:34,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.96ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 111.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:27:34,725 INFO L158 Benchmark]: Boogie Preprocessor took 60.56ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:34,727 INFO L158 Benchmark]: RCFGBuilder took 1453.97ms. Allocated memory is still 165.7MB. Free memory was 108.9MB in the beginning and 84.4MB in the end (delta: 24.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:34,727 INFO L158 Benchmark]: TraceAbstraction took 1737.46ms. Allocated memory is still 165.7MB. Free memory was 83.6MB in the beginning and 89.2MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:34,728 INFO L158 Benchmark]: Witness Printer took 6.53ms. Allocated memory is still 165.7MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:34,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.10ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 117.7MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.96ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 111.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.56ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1453.97ms. Allocated memory is still 165.7MB. Free memory was 108.9MB in the beginning and 84.4MB in the end (delta: 24.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1737.46ms. Allocated memory is still 165.7MB. Free memory was 83.6MB in the beginning and 89.2MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.53ms. Allocated memory is still 165.7MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of bitwiseOr at line 66, overapproximation of shiftLeft at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed short int var_1_6 = -1; [L24] unsigned char var_1_7 = 1; [L25] unsigned char var_1_8 = 1; [L26] signed char var_1_9 = -128; [L27] signed char var_1_12 = 10; [L28] signed char var_1_13 = -64; [L29] signed char var_1_14 = 1; [L30] signed char var_1_15 = -25; [L31] unsigned short int var_1_16 = 256; [L32] signed char var_1_18 = 4; [L33] float var_1_19 = 100.5; [L34] float var_1_20 = 4.5; [L35] signed char var_1_21 = 0; [L36] signed char var_1_22 = 64; [L37] signed char var_1_23 = 2; [L38] signed char var_1_24 = 4; [L39] unsigned long int var_1_25 = 8; [L40] unsigned char var_1_27 = 50; [L41] unsigned char var_1_28 = 5; [L42] signed short int var_1_29 = 32; [L43] signed long int var_1_30 = 1; [L44] signed long int var_1_31 = 0; [L45] unsigned char var_1_33 = 2; [L46] unsigned char var_1_34 = 128; [L47] unsigned char var_1_35 = 2; [L48] unsigned char var_1_36 = 200; [L49] unsigned char var_1_37 = 32; [L50] double var_1_38 = 10.3; [L51] signed short int var_1_39 = -256; [L52] signed short int last_1_var_1_6 = -1; [L53] signed char last_1_var_1_9 = -128; [L54] unsigned short int last_1_var_1_16 = 256; [L55] signed char last_1_var_1_18 = 4; [L56] float last_1_var_1_19 = 100.5; [L57] unsigned long int last_1_var_1_25 = 8; [L58] unsigned char last_1_var_1_27 = 50; [L59] signed short int last_1_var_1_29 = 32; [L60] unsigned char last_1_var_1_33 = 2; [L61] unsigned char last_1_var_1_35 = 2; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] CALL updateLastVariables() [L192] last_1_var_1_6 = var_1_6 [L193] last_1_var_1_9 = var_1_9 [L194] last_1_var_1_16 = var_1_16 [L195] last_1_var_1_18 = var_1_18 [L196] last_1_var_1_19 = var_1_19 [L197] last_1_var_1_25 = var_1_25 [L198] last_1_var_1_27 = var_1_27 [L199] last_1_var_1_29 = var_1_29 [L200] last_1_var_1_33 = var_1_33 [L201] last_1_var_1_35 = var_1_35 [L211] RET updateLastVariables() [L212] CALL updateVariables() [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L145] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=1, var_1_9=-128] [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_9=-128] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L149] var_1_12 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L151] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L152] var_1_13 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L154] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L155] var_1_14 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L157] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L160] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L161] var_1_20 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L163] var_1_22 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_22 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 >= -1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L165] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L166] var_1_23 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L168] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L169] var_1_24 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L171] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L172] var_1_28 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L174] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L175] var_1_30 = __VERIFIER_nondet_long() [L176] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L177] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L178] var_1_31 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L180] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L181] var_1_34 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_34 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_34 >= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L183] CALL assume_abort_if_not(var_1_34 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L184] var_1_36 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_36 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_36 >= 190) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L186] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L187] var_1_37 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_37 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_37 >= 31) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L189] CALL assume_abort_if_not(var_1_37 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_37 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=8, var_1_27=50, var_1_28=31, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=63, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-128] [L212] RET updateVariables() [L213] CALL step() [L65] signed long int stepLocal_0 = 50 * last_1_var_1_29; [L66] EXPR last_1_var_1_16 | last_1_var_1_9 [L66] COND FALSE !((last_1_var_1_16 | last_1_var_1_9) >= stepLocal_0) [L69] COND TRUE (last_1_var_1_19 + last_1_var_1_19) > 200.875f [L70] COND TRUE last_1_var_1_25 > last_1_var_1_18 [L71] var_1_9 = ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))) [L76] signed long int stepLocal_4 = last_1_var_1_9; [L77] signed long int stepLocal_3 = var_1_24 % var_1_34; [L78] COND FALSE !(last_1_var_1_16 <= stepLocal_4) [L81] COND TRUE stepLocal_3 >= last_1_var_1_27 [L82] COND TRUE \read(var_1_7) [L83] var_1_33 = (((((((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) > ((64 - var_1_30))) ? (((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) : ((64 - var_1_30)))) + 1) [L89] var_1_19 = var_1_20 [L90] var_1_21 = ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24))))) [L91] var_1_27 = ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28) [L92] var_1_38 = var_1_20 [L93] var_1_39 = 128 [L94] unsigned char stepLocal_2 = var_1_7; [L95] COND TRUE var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19))) [L96] COND TRUE (! (var_1_27 < var_1_27)) && stepLocal_2 [L97] var_1_25 = var_1_1 [L102] COND TRUE \read(var_1_7) [L103] COND TRUE ! var_1_8 [L104] var_1_16 = ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))) [L111] signed long int stepLocal_5 = var_1_30 + var_1_39; [L112] COND TRUE (var_1_25 - last_1_var_1_35) <= stepLocal_5 [L113] COND TRUE \read(var_1_7) [L114] var_1_35 = var_1_28 [L119] unsigned short int stepLocal_1 = var_1_1; [L120] COND FALSE !(stepLocal_1 <= var_1_35) [L123] var_1_18 = var_1_13 [L125] EXPR var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31))) [L125] COND FALSE !((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) [L130] var_1_29 = (var_1_28 - var_1_30) [L132] COND FALSE !(var_1_21 > var_1_29) [L135] COND FALSE !(var_1_7 && var_1_8) [L138] var_1_6 = -2 [L213] RET step() [L214] CALL, EXPR property() [L204] EXPR last_1_var_1_16 | last_1_var_1_9 [L204] EXPR (((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30)))) [L204-L205] return (((((((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30))))) && ((last_1_var_1_16 <= last_1_var_1_9) ? (var_1_33 == ((unsigned char) (var_1_34 - var_1_28))) : (((var_1_24 % var_1_34) >= last_1_var_1_27) ? (var_1_7 ? (var_1_33 == ((unsigned char) (((((((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) > ((64 - var_1_30))) ? (((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) : ((64 - var_1_30)))) + 1))) : (var_1_33 == ((unsigned char) var_1_28))) : 1))) && (((var_1_25 - last_1_var_1_35) <= (var_1_30 + var_1_39)) ? (var_1_7 ? (var_1_35 == ((unsigned char) var_1_28)) : (var_1_35 == ((unsigned char) ((var_1_36 - (var_1_37 - var_1_30)) - ((((var_1_28) < (var_1_24)) ? (var_1_28) : (var_1_24))))))) : 1)) && (var_1_38 == ((double) var_1_20))) && (var_1_39 == ((signed short int) 128)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=288, var_1_18=126, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=32, var_1_27=144, var_1_28=31, var_1_29=30, var_1_30=1, var_1_31=1, var_1_33=64, var_1_34=127, var_1_35=31, var_1_36=190, var_1_37=63, var_1_38=2, var_1_39=128, var_1_6=-2, var_1_7=1, var_1_8=0, var_1_9=126] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=126, var_1_13=126, var_1_14=63, var_1_15=63, var_1_16=288, var_1_18=126, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=63, var_1_25=32, var_1_27=144, var_1_28=31, var_1_29=30, var_1_30=1, var_1_31=1, var_1_33=64, var_1_34=127, var_1_35=31, var_1_36=190, var_1_37=63, var_1_38=2, var_1_39=128, var_1_6=-2, var_1_7=1, var_1_8=0, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 31, 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=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 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 [2023-11-23 21:27:34,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire --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 ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:37,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:37,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:27:37,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:37,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:37,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:37,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:37,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:37,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:37,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:37,689 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:37,690 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:37,690 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:37,691 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:37,691 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:37,692 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:37,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:37,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:37,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:27:37,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:27:37,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:37,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:37,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:37,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:37,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:27:37,698 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:27:37,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:27:37,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:27:37,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:37,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:37,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:37,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:27:37,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:37,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:37,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:37,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:37,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:37,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:37,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:27:37,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:27:37,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:37,707 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:37,708 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:37,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:37,708 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffde3abd1302fbd87206750d0310c01693ddf151d98835d8cfad33c14bb4faac [2023-11-23 21:27:38,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:38,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:38,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:38,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:38,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:38,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-23 21:27:41,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:41,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:41,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-23 21:27:41,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data/ed45f2379/56d4061587e54126ba0b3ec2f7ee268d/FLAG8461b293f [2023-11-23 21:27:41,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/data/ed45f2379/56d4061587e54126ba0b3ec2f7ee268d [2023-11-23 21:27:41,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:41,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:41,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:41,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:41,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:41,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:41" (1/1) ... [2023-11-23 21:27:41,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125228bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:41, skipping insertion in model container [2023-11-23 21:27:41,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:41" (1/1) ... [2023-11-23 21:27:41,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:42,024 WARN L240 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_7e4db188-0d7f-4505-a14e-7dea0efc8670/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-23 21:27:42,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:42,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:42,220 WARN L240 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_7e4db188-0d7f-4505-a14e-7dea0efc8670/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-22.i[916,929] [2023-11-23 21:27:42,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:42,325 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:42,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42 WrapperNode [2023-11-23 21:27:42,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:42,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:42,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:42,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:42,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,415 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-23 21:27:42,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:42,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:42,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:42,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:42,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:42,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:42,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:42,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:42,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (1/1) ... [2023-11-23 21:27:42,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:42,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:42,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:42,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:27:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:42,761 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:42,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:44,447 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:44,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:44,530 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:44,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:44 BoogieIcfgContainer [2023-11-23 21:27:44,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:44,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:44,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:44,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:44,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:41" (1/3) ... [2023-11-23 21:27:44,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bbe845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:44, skipping insertion in model container [2023-11-23 21:27:44,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:42" (2/3) ... [2023-11-23 21:27:44,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bbe845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:44, skipping insertion in model container [2023-11-23 21:27:44,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:44" (3/3) ... [2023-11-23 21:27:44,539 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-22.i [2023-11-23 21:27:44,559 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:44,560 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:44,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:44,630 INFO L357 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, mHoare=true, 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;@159eff21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:44,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:27:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:27:44,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:44,665 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:44,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:44,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1031330066, now seen corresponding path program 1 times [2023-11-23 21:27:44,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:44,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160906444] [2023-11-23 21:27:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:44,689 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 [2023-11-23 21:27:44,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:44,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:27:44,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:27:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:45,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:27:45,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2023-11-23 21:27:45,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:45,181 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:45,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160906444] [2023-11-23 21:27:45,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160906444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:45,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:45,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:27:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846842415] [2023-11-23 21:27:45,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:45,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:27:45,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:45,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:27:45,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:45,230 INFO L87 Difference]: Start difference. First operand has 81 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 21:27:45,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:45,757 INFO L93 Difference]: Finished difference Result 159 states and 291 transitions. [2023-11-23 21:27:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:27:45,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 189 [2023-11-23 21:27:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:45,779 INFO L225 Difference]: With dead ends: 159 [2023-11-23 21:27:45,779 INFO L226 Difference]: Without dead ends: 79 [2023-11-23 21:27:45,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:45,792 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:45,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:27:45,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-23 21:27:45,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-23 21:27:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:27:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 126 transitions. [2023-11-23 21:27:45,862 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 126 transitions. Word has length 189 [2023-11-23 21:27:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:45,862 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 126 transitions. [2023-11-23 21:27:45,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 21:27:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2023-11-23 21:27:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:27:45,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:45,869 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:45,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:46,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:46,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:46,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:46,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2131246508, now seen corresponding path program 1 times [2023-11-23 21:27:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668398579] [2023-11-23 21:27:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:46,079 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 [2023-11-23 21:27:46,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:46,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:27:46,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:27:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:46,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:27:46,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:27:48,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:48,286 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:48,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668398579] [2023-11-23 21:27:48,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668398579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:48,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:48,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:27:48,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36290350] [2023-11-23 21:27:48,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:48,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:27:48,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:48,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:27:48,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:48,298 INFO L87 Difference]: Start difference. First operand 79 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:27:50,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:50,635 INFO L93 Difference]: Finished difference Result 259 states and 414 transitions. [2023-11-23 21:27:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:27:50,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 189 [2023-11-23 21:27:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:50,656 INFO L225 Difference]: With dead ends: 259 [2023-11-23 21:27:50,656 INFO L226 Difference]: Without dead ends: 181 [2023-11-23 21:27:50,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:27:50,660 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 194 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:50,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 420 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:27:50,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-23 21:27:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 154. [2023-11-23 21:27:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:27:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 247 transitions. [2023-11-23 21:27:50,708 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 247 transitions. Word has length 189 [2023-11-23 21:27:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:50,710 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 247 transitions. [2023-11-23 21:27:50,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:27:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 247 transitions. [2023-11-23 21:27:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:27:50,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:50,718 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:50,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:50,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:50,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:50,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:50,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1142652434, now seen corresponding path program 1 times [2023-11-23 21:27:50,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:50,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867254486] [2023-11-23 21:27:50,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:50,922 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 [2023-11-23 21:27:50,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:50,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:27:50,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:27:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:51,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:27:51,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:27:53,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:53,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:53,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867254486] [2023-11-23 21:27:53,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867254486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:53,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:53,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:27:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590778873] [2023-11-23 21:27:53,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:53,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:27:53,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:53,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:27:53,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:27:53,126 INFO L87 Difference]: Start difference. First operand 154 states and 247 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:27:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:55,571 INFO L93 Difference]: Finished difference Result 311 states and 497 transitions. [2023-11-23 21:27:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:27:55,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 189 [2023-11-23 21:27:55,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:55,589 INFO L225 Difference]: With dead ends: 311 [2023-11-23 21:27:55,589 INFO L226 Difference]: Without dead ends: 158 [2023-11-23 21:27:55,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:55,592 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 71 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:55,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 352 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:27:55,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-23 21:27:55,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 133. [2023-11-23 21:27:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:27:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 210 transitions. [2023-11-23 21:27:55,660 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 210 transitions. Word has length 189 [2023-11-23 21:27:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:55,662 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 210 transitions. [2023-11-23 21:27:55,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:27:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2023-11-23 21:27:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-23 21:27:55,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:55,674 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:55,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:27:55,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:55,888 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:55,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash 14767381, now seen corresponding path program 1 times [2023-11-23 21:27:55,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:55,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485201092] [2023-11-23 21:27:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:55,891 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 [2023-11-23 21:27:55,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:55,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:27:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:27:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:56,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:27:56,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:27:56,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:56,972 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:56,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485201092] [2023-11-23 21:27:56,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485201092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:56,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:56,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:27:56,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837115939] [2023-11-23 21:27:56,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:56,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:27:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:27:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:56,976 INFO L87 Difference]: Start difference. First operand 133 states and 210 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:27:58,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:58,512 INFO L93 Difference]: Finished difference Result 236 states and 375 transitions. [2023-11-23 21:27:58,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:27:58,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 190 [2023-11-23 21:27:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:58,529 INFO L225 Difference]: With dead ends: 236 [2023-11-23 21:27:58,529 INFO L226 Difference]: Without dead ends: 158 [2023-11-23 21:27:58,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:27:58,531 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 89 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:58,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 476 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:27:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-23 21:27:58,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 136. [2023-11-23 21:27:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 71 states have (on average 1.267605633802817) internal successors, (90), 71 states have internal predecessors, (90), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:27:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 214 transitions. [2023-11-23 21:27:58,565 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 214 transitions. Word has length 190 [2023-11-23 21:27:58,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:58,567 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 214 transitions. [2023-11-23 21:27:58,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:27:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 214 transitions. [2023-11-23 21:27:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 21:27:58,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:58,571 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:58,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:27:58,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:27:58,780 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:58,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:58,781 INFO L85 PathProgramCache]: Analyzing trace with hash -463373863, now seen corresponding path program 1 times [2023-11-23 21:27:58,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:27:58,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961670513] [2023-11-23 21:27:58,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:58,783 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 [2023-11-23 21:27:58,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:27:58,784 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:27:58,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:27:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:59,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:27:59,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:27:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:27:59,827 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:27:59,827 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:27:59,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961670513] [2023-11-23 21:27:59,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961670513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:59,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:59,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:27:59,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175364924] [2023-11-23 21:27:59,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:59,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:27:59,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:27:59,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:27:59,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:59,831 INFO L87 Difference]: Start difference. First operand 136 states and 214 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:28:01,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:01,512 INFO L93 Difference]: Finished difference Result 321 states and 507 transitions. [2023-11-23 21:28:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:28:01,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 191 [2023-11-23 21:28:01,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:01,529 INFO L225 Difference]: With dead ends: 321 [2023-11-23 21:28:01,530 INFO L226 Difference]: Without dead ends: 243 [2023-11-23 21:28:01,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:28:01,531 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 140 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:01,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 417 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:28:01,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-23 21:28:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 215. [2023-11-23 21:28:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 118 states have (on average 1.3220338983050848) internal successors, (156), 118 states have internal predecessors, (156), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-23 21:28:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 342 transitions. [2023-11-23 21:28:01,583 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 342 transitions. Word has length 191 [2023-11-23 21:28:01,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:01,584 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 342 transitions. [2023-11-23 21:28:01,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:28:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 342 transitions. [2023-11-23 21:28:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:28:01,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:01,587 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:01,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:01,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:01,788 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:01,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:01,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1194468943, now seen corresponding path program 1 times [2023-11-23 21:28:01,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:01,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524525933] [2023-11-23 21:28:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:01,790 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 [2023-11-23 21:28:01,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:01,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:28:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:28:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:02,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:28:02,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 148 proven. 87 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-11-23 21:28:02,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:28:03,162 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:03,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524525933] [2023-11-23 21:28:03,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524525933] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:28:03,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:28:03,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-23 21:28:03,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323467598] [2023-11-23 21:28:03,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:03,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:28:03,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:03,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:28:03,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:28:03,165 INFO L87 Difference]: Start difference. First operand 215 states and 342 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:28:04,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:04,463 INFO L93 Difference]: Finished difference Result 410 states and 654 transitions. [2023-11-23 21:28:04,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:28:04,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-23 21:28:04,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:04,483 INFO L225 Difference]: With dead ends: 410 [2023-11-23 21:28:04,483 INFO L226 Difference]: Without dead ends: 253 [2023-11-23 21:28:04,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:28:04,485 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 51 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:04,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 242 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:28:04,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-11-23 21:28:04,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 231. [2023-11-23 21:28:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 134 states have (on average 1.328358208955224) internal successors, (178), 134 states have internal predecessors, (178), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-23 21:28:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 364 transitions. [2023-11-23 21:28:04,540 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 364 transitions. Word has length 192 [2023-11-23 21:28:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:04,544 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 364 transitions. [2023-11-23 21:28:04,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:28:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 364 transitions. [2023-11-23 21:28:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:28:04,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:04,548 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:04,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:04,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:04,755 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:04,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:04,756 INFO L85 PathProgramCache]: Analyzing trace with hash -493404365, now seen corresponding path program 1 times [2023-11-23 21:28:04,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:04,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3432759] [2023-11-23 21:28:04,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:04,761 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 [2023-11-23 21:28:04,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:04,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:28:04,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:28:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:04,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 21:28:04,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-23 21:28:07,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:08,707 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:08,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3432759] [2023-11-23 21:28:08,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3432759] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:28:08,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1676884508] [2023-11-23 21:28:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:08,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:08,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:28:08,710 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:28:08,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 21:28:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:09,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:28:09,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:28:11,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:11,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1676884508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:11,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:28:11,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2023-11-23 21:28:11,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355534084] [2023-11-23 21:28:11,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:11,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:28:11,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:11,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:28:11,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:28:11,035 INFO L87 Difference]: Start difference. First operand 231 states and 364 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:28:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:12,195 INFO L93 Difference]: Finished difference Result 496 states and 783 transitions. [2023-11-23 21:28:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:28:12,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2023-11-23 21:28:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:12,200 INFO L225 Difference]: With dead ends: 496 [2023-11-23 21:28:12,200 INFO L226 Difference]: Without dead ends: 323 [2023-11-23 21:28:12,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2023-11-23 21:28:12,203 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 36 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:12,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 282 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 21:28:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-23 21:28:12,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 312. [2023-11-23 21:28:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 183 states have (on average 1.3442622950819672) internal successors, (246), 183 states have internal predecessors, (246), 124 states have call successors, (124), 4 states have call predecessors, (124), 4 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-23 21:28:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 494 transitions. [2023-11-23 21:28:12,245 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 494 transitions. Word has length 192 [2023-11-23 21:28:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:12,246 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 494 transitions. [2023-11-23 21:28:12,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:28:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 494 transitions. [2023-11-23 21:28:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:28:12,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:12,249 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:12,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:12,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-23 21:28:12,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:12,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:12,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:12,657 INFO L85 PathProgramCache]: Analyzing trace with hash -436146063, now seen corresponding path program 1 times [2023-11-23 21:28:12,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:12,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483214317] [2023-11-23 21:28:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:12,658 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 [2023-11-23 21:28:12,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:12,660 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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) [2023-11-23 21:28:12,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/mathsat -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 [2023-11-23 21:28:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:12,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 21:28:12,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-23 21:28:15,252 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:15,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:15,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483214317] [2023-11-23 21:28:15,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483214317] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:28:15,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [832587481] [2023-11-23 21:28:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:15,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:15,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:28:15,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:28:15,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 21:28:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:16,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:28:16,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 828 proven. 27 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-11-23 21:28:18,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:28:18,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [832587481] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:28:18,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986805772] [2023-11-23 21:28:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:28:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:18,888 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:28:18,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e4db188-0d7f-4505-a14e-7dea0efc8670/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:28:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:19,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 21:28:19,101 INFO L285 TraceCheckSpWp]: Computing forward predicates...