./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.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_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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_26976788-6c92-4347-bcc2-569f05e921dc/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 b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:56,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:56,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:56,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:56,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:56,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:56,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:56,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:56,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:56,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:56,111 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:56,112 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:56,112 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:56,113 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:56,114 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:56,114 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:56,115 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:56,116 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:56,116 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:56,117 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:56,117 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:56,118 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:56,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:56,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:56,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:56,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:56,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:56,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:56,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:56,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:56,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:56,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:56,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:56,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:56,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:56,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:56,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:56,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:56,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:56,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:56,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:56,134 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:56,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:56,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:56,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:56,135 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:56,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:56,136 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_26976788-6c92-4347-bcc2-569f05e921dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af [2023-11-23 21:18:56,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:56,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:56,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:56,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:56,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:56,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-23 21:18:59,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:59,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:59,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-23 21:18:59,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data/eca3401cb/02032b503e664fae9c7aa42a064471a4/FLAG848361173 [2023-11-23 21:18:59,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data/eca3401cb/02032b503e664fae9c7aa42a064471a4 [2023-11-23 21:18:59,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:59,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:59,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:59,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:59,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:59,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:18:59,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cbdf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:59, skipping insertion in model container [2023-11-23 21:18:59,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:59" (1/1) ... [2023-11-23 21:19:00,026 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:00,221 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_26976788-6c92-4347-bcc2-569f05e921dc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-23 21:19:00,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:00,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:00,341 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_26976788-6c92-4347-bcc2-569f05e921dc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-23 21:19:00,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:00,394 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:00,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00 WrapperNode [2023-11-23 21:19:00,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:00,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:00,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:00,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:00,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,488 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-23 21:19:00,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:00,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:00,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:00,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:00,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:00,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:00,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:00,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:00,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:00,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:00,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:00,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:00,757 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:00,766 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:01,274 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:01,524 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:01,524 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:01,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:01 BoogieIcfgContainer [2023-11-23 21:19:01,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:01,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:01,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:01,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:01,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:59" (1/3) ... [2023-11-23 21:19:01,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fba68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:01, skipping insertion in model container [2023-11-23 21:19:01,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00" (2/3) ... [2023-11-23 21:19:01,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fba68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:01, skipping insertion in model container [2023-11-23 21:19:01,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:01" (3/3) ... [2023-11-23 21:19:01,542 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-23 21:19:01,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:01,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:01,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:01,617 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;@63d04622, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:01,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:19:01,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:19:01,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:01,637 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:19:01,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:01,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1464863035, now seen corresponding path program 1 times [2023-11-23 21:19:01,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:01,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012705717] [2023-11-23 21:19:01,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:01,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:02,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:19:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:02,690 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:19:02,692 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:19:02,694 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:02,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:02,701 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:19:02,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:02,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:02 BoogieIcfgContainer [2023-11-23 21:19:02,854 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:02,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:02,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:02,855 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:02,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:01" (3/4) ... [2023-11-23 21:19:02,863 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:19:02,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:02,867 INFO L158 Benchmark]: Toolchain (without parser) took 2888.71ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 71.3MB in the end (delta: 31.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:02,867 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:02,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.31ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 88.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:02,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.86ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 84.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:19:02,871 INFO L158 Benchmark]: Boogie Preprocessor took 44.42ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 83.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:19:02,876 INFO L158 Benchmark]: RCFGBuilder took 992.25ms. Allocated memory is still 146.8MB. Free memory was 82.6MB in the beginning and 82.9MB in the end (delta: -345.3kB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-23 21:19:02,876 INFO L158 Benchmark]: TraceAbstraction took 1322.26ms. Allocated memory is still 146.8MB. Free memory was 82.4MB in the beginning and 71.3MB in the end (delta: 11.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-23 21:19:02,877 INFO L158 Benchmark]: Witness Printer took 11.02ms. Allocated memory is still 146.8MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:02,880 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.31ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 88.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.86ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 84.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.42ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 83.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 992.25ms. Allocated memory is still 146.8MB. Free memory was 82.6MB in the beginning and 82.9MB in the end (delta: -345.3kB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1322.26ms. Allocated memory is still 146.8MB. Free memory was 82.4MB in the beginning and 71.3MB in the end (delta: 11.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 11.02ms. Allocated memory is still 146.8MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] unsigned short int var_1_20 = 8; [L41] unsigned short int var_1_21 = 10; [L42] signed long int var_1_22 = -256; [L43] unsigned long int var_1_23 = 256; [L44] signed long int var_1_24 = 32; [L45] signed long int var_1_25 = 32; [L46] signed char var_1_26 = -10; [L47] signed char var_1_27 = 50; [L48] signed short int var_1_28 = 8; [L49] unsigned char last_1_var_1_8 = 5; [L50] unsigned short int last_1_var_1_18 = 64; [L167] isInitial = 1 [L168] FCALL initially() [L169] COND TRUE 1 [L170] CALL updateLastVariables() [L159] last_1_var_1_8 = var_1_8 [L160] last_1_var_1_18 = var_1_18 [L170] RET updateLastVariables() [L171] CALL updateVariables() [L116] var_1_2 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L118] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L119] var_1_3 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L121] var_1_4 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L123] var_1_5 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L125] var_1_6 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L127] var_1_7 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_8=5, var_1_9=307/20] [L129] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5, var_1_9=307/20] [L130] var_1_9 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L132] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L133] var_1_10 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L135] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L136] var_1_11 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L138] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L139] var_1_15 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L141] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L142] var_1_16 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L144] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L145] var_1_17 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L147] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=10, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L148] var_1_21 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L150] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=32, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L151] var_1_25 = __VERIFIER_nondet_long() [L152] CALL assume_abort_if_not(var_1_25 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_25 >= -2147483647) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L153] CALL assume_abort_if_not(var_1_25 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_25 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=50, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L154] var_1_27 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=0, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=0, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L156] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=0, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=64, var_1_1=10, var_1_20=8, var_1_21=0, var_1_22=-256, var_1_23=256, var_1_24=32, var_1_25=2147483646, var_1_26=-10, var_1_27=0, var_1_28=8, var_1_2=1, var_1_7=10, var_1_8=5] [L171] RET updateVariables() [L172] CALL step() [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_21 [L56] var_1_23 = var_1_21 [L57] var_1_24 = var_1_25 [L58] var_1_26 = var_1_27 [L59] COND TRUE var_1_26 >= -10 [L60] var_1_28 = ((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) < (var_1_26)) ? (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) : (var_1_26))) [L62] COND TRUE \read(var_1_2) [L63] COND TRUE ((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6) [L64] var_1_1 = (5 + last_1_var_1_8) [L71] unsigned short int stepLocal_0 = var_1_1; [L72] COND FALSE !(var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) [L75] COND TRUE stepLocal_0 <= var_1_7 [L76] var_1_8 = var_1_10 [L81] COND TRUE \read(var_1_2) [L82] COND FALSE !(-128 > var_1_10) [L92] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)); [L93] COND FALSE !(var_1_10 == stepLocal_1) [L96] var_1_14 = var_1_17 [L98] COND TRUE \read(var_1_2) [L99] var_1_13 = var_1_11 [L101] COND FALSE !(var_1_8 == var_1_13) [L104] COND FALSE !(last_1_var_1_18 != var_1_16) [L111] var_1_18 = var_1_10 [L172] RET step() [L173] CALL, EXPR property() [L163-L164] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + last_1_var_1_8))) : (var_1_1 == ((unsigned short int) last_1_var_1_8))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (last_1_var_1_18 + var_1_10)))) : (var_1_12 == ((signed long int) last_1_var_1_18))) : 1) : (var_1_12 == ((signed long int) last_1_var_1_18)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_8 == var_1_13) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : ((last_1_var_1_18 != var_1_16) ? ((-256 >= var_1_13) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L173] RET, EXPR property() [L173] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=128, var_1_14=0, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=127, var_1_1=10, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=2147483646, var_1_25=2147483646, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_7=10, var_1_8=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=127, var_1_11=128, var_1_12=32, var_1_13=128, var_1_14=0, var_1_15=127, var_1_16=64, var_1_17=0, var_1_18=127, var_1_1=10, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=2147483646, var_1_25=2147483646, var_1_26=0, var_1_27=0, var_1_28=0, var_1_2=1, var_1_7=10, var_1_8=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 21:19:02,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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_26976788-6c92-4347-bcc2-569f05e921dc/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 b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:05,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:05,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:19:05,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:05,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:05,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:05,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:05,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:05,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:05,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:06,000 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:06,002 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:06,002 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:06,005 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:06,005 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:06,006 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:06,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:06,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:06,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:06,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:06,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:06,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:06,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:06,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:06,014 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:19:06,014 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:19:06,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:19:06,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:06,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:06,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:06,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:06,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:19:06,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:06,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:06,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:06,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:06,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:06,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:06,021 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:19:06,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:06,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:06,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:06,023 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:06,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:06,024 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_26976788-6c92-4347-bcc2-569f05e921dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b65d479e18f7a591496f05b34aa32ff21e8b5e47f1165cd18eedfd85d0ebf4af [2023-11-23 21:19:06,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:06,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:06,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:06,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:06,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:06,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-23 21:19:09,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:10,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:10,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-23 21:19:10,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data/6b15a76c5/46a452ae81d040e79fd7207511fe04ad/FLAGa10700266 [2023-11-23 21:19:10,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/data/6b15a76c5/46a452ae81d040e79fd7207511fe04ad [2023-11-23 21:19:10,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:10,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:10,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:10,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:10,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:10,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9b140c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10, skipping insertion in model container [2023-11-23 21:19:10,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:10,608 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_26976788-6c92-4347-bcc2-569f05e921dc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-23 21:19:10,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:10,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:10,812 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_26976788-6c92-4347-bcc2-569f05e921dc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-48.i[915,928] [2023-11-23 21:19:10,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:10,933 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:10,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10 WrapperNode [2023-11-23 21:19:10,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:10,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:10,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:10,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:10,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,016 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-23 21:19:11,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:11,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:11,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:11,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:11,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:11,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:11,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:11,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:11,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:11,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:11,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:11,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:19:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:11,407 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:11,412 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:24,513 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:24,591 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:24,591 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:24,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:24 BoogieIcfgContainer [2023-11-23 21:19:24,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:24,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:24,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:24,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:24,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:10" (1/3) ... [2023-11-23 21:19:24,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61295761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:24, skipping insertion in model container [2023-11-23 21:19:24,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10" (2/3) ... [2023-11-23 21:19:24,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61295761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:24, skipping insertion in model container [2023-11-23 21:19:24,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:24" (3/3) ... [2023-11-23 21:19:24,610 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-48.i [2023-11-23 21:19:24,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:24,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:24,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:24,730 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;@af3ab71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:24,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 1.45) internal successors, (58), 41 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:19:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 21:19:24,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:24,771 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:19:24,771 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:24,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:24,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1029322840, now seen corresponding path program 1 times [2023-11-23 21:19:24,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:24,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388694014] [2023-11-23 21:19:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:24,804 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 21:19:24,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:24,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:24,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:27,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:19:27,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-11-23 21:19:27,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:27,399 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:27,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388694014] [2023-11-23 21:19:27,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388694014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:27,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:27,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:27,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616385022] [2023-11-23 21:19:27,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:27,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:19:27,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:19:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:27,461 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 1.45) internal successors, (58), 41 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:19:30,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:30,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:30,145 INFO L93 Difference]: Finished difference Result 134 states and 242 transitions. [2023-11-23 21:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:19:30,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 159 [2023-11-23 21:19:30,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:30,344 INFO L225 Difference]: With dead ends: 134 [2023-11-23 21:19:30,344 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 21:19:30,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 21:19:30,354 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:30,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 21:19:30,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 21:19:30,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 21:19:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:19:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2023-11-23 21:19:30,423 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 159 [2023-11-23 21:19:30,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:30,424 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2023-11-23 21:19:30,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:19:30,425 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-11-23 21:19:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 21:19:30,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:30,431 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:19:30,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:30,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:30,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:30,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:30,647 INFO L85 PathProgramCache]: Analyzing trace with hash 370085136, now seen corresponding path program 1 times [2023-11-23 21:19:30,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:30,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589974091] [2023-11-23 21:19:30,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:30,649 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 21:19:30,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:30,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:30,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:32,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:19:32,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:19:33,041 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:33,041 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:33,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589974091] [2023-11-23 21:19:33,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589974091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:33,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:33,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:33,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684768050] [2023-11-23 21:19:33,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:33,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:33,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:33,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:33,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:33,047 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:35,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:37,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:39,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:39,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:39,915 INFO L93 Difference]: Finished difference Result 147 states and 227 transitions. [2023-11-23 21:19:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:39,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2023-11-23 21:19:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:39,920 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:19:39,920 INFO L226 Difference]: Without dead ends: 82 [2023-11-23 21:19:39,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:39,923 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 16 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:39,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 188 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:19:39,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-23 21:19:39,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 73. [2023-11-23 21:19:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 45 states have internal predecessors, (60), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:19:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2023-11-23 21:19:39,956 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 159 [2023-11-23 21:19:39,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:39,959 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2023-11-23 21:19:39,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2023-11-23 21:19:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 21:19:39,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:39,963 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:19:39,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:40,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:40,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:40,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:40,187 INFO L85 PathProgramCache]: Analyzing trace with hash 371932178, now seen corresponding path program 1 times [2023-11-23 21:19:40,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:40,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806875815] [2023-11-23 21:19:40,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:40,189 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 21:19:40,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:40,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:40,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:42,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:19:42,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:19:47,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:47,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:47,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806875815] [2023-11-23 21:19:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806875815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:47,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:47,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:47,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31347720] [2023-11-23 21:19:47,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:47,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:47,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:47,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:47,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:47,434 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:50,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:52,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:54,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:54,815 INFO L93 Difference]: Finished difference Result 217 states and 334 transitions. [2023-11-23 21:19:54,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:54,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2023-11-23 21:19:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:54,825 INFO L225 Difference]: With dead ends: 217 [2023-11-23 21:19:54,829 INFO L226 Difference]: Without dead ends: 145 [2023-11-23 21:19:54,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:54,836 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 19 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:54,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 191 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2023-11-23 21:19:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-23 21:19:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2023-11-23 21:19:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 88 states have internal predecessors, (116), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 21:19:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 220 transitions. [2023-11-23 21:19:54,893 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 220 transitions. Word has length 159 [2023-11-23 21:19:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:54,894 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 220 transitions. [2023-11-23 21:19:54,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 220 transitions. [2023-11-23 21:19:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 21:19:54,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:54,905 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:19:54,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:55,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:55,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:55,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1355643354, now seen corresponding path program 1 times [2023-11-23 21:19:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:55,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169951581] [2023-11-23 21:19:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:55,133 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 21:19:55,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:55,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:55,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26976788-6c92-4347-bcc2-569f05e921dc/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 21:19:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:56,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 21:19:57,002 INFO L285 TraceCheckSpWp]: Computing forward predicates...