./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2 --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 e71601c55174be0ad57296dccc2279fd85b1f2c03bb5913dfcee88384188d311 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 08:50:00,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 08:50:00,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 08:50:00,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 08:50:00,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 08:50:00,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 08:50:00,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 08:50:00,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 08:50:00,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 08:50:00,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 08:50:00,214 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 08:50:00,215 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 08:50:00,215 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 08:50:00,215 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 08:50:00,218 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 08:50:00,218 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 08:50:00,219 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 08:50:00,219 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 08:50:00,219 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 08:50:00,220 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 08:50:00,220 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 08:50:00,221 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 08:50:00,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 08:50:00,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 08:50:00,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 08:50:00,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 08:50:00,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 08:50:00,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 08:50:00,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 08:50:00,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 08:50:00,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 08:50:00,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 08:50:00,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 08:50:00,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 08:50:00,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 08:50:00,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 08:50:00,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 08:50:00,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 08:50:00,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 08:50:00,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 08:50:00,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 08:50:00,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 08:50:00,233 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 08:50:00,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 08:50:00,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 08:50:00,234 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 08:50:00,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 08:50:00,234 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e71601c55174be0ad57296dccc2279fd85b1f2c03bb5913dfcee88384188d311 [2024-11-02 08:50:00,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 08:50:00,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 08:50:00,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 08:50:00,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 08:50:00,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 08:50:00,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i Unable to find full path for "g++" [2024-11-02 08:50:02,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 08:50:02,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 08:50:02,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i [2024-11-02 08:50:02,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data/1e37b2018/5a2f9de3c5df417ca4da6c1df6d82701/FLAGa8212e841 [2024-11-02 08:50:02,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data/1e37b2018/5a2f9de3c5df417ca4da6c1df6d82701 [2024-11-02 08:50:02,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 08:50:02,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 08:50:02,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 08:50:02,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 08:50:02,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 08:50:02,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:02" (1/1) ... [2024-11-02 08:50:02,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3071c6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:02, skipping insertion in model container [2024-11-02 08:50:02,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:02" (1/1) ... [2024-11-02 08:50:02,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 08:50:03,174 WARN L251 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i[915,928] [2024-11-02 08:50:03,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 08:50:03,262 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 08:50:03,276 WARN L251 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i[915,928] [2024-11-02 08:50:03,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 08:50:03,333 INFO L204 MainTranslator]: Completed translation [2024-11-02 08:50:03,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03 WrapperNode [2024-11-02 08:50:03,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 08:50:03,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 08:50:03,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 08:50:03,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 08:50:03,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,425 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-02 08:50:03,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 08:50:03,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 08:50:03,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 08:50:03,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 08:50:03,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 08:50:03,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 08:50:03,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 08:50:03,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 08:50:03,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (1/1) ... [2024-11-02 08:50:03,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 08:50:03,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 08:50:03,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 08:50:03,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 08:50:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 08:50:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 08:50:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 08:50:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 08:50:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 08:50:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 08:50:03,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 08:50:03,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 08:50:04,212 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 08:50:04,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 08:50:04,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 08:50:04,420 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 08:50:04,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:04 BoogieIcfgContainer [2024-11-02 08:50:04,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 08:50:04,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 08:50:04,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 08:50:04,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 08:50:04,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:02" (1/3) ... [2024-11-02 08:50:04,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63640d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:04, skipping insertion in model container [2024-11-02 08:50:04,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:03" (2/3) ... [2024-11-02 08:50:04,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63640d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:04, skipping insertion in model container [2024-11-02 08:50:04,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:04" (3/3) ... [2024-11-02 08:50:04,434 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-59.i [2024-11-02 08:50:04,453 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 08:50:04,453 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 08:50:04,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 08:50:04,531 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31aace3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 08:50:04,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 08:50:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 08:50:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-02 08:50:04,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 08:50:04,548 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 08:50:04,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 08:50:04,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 08:50:04,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2025083680, now seen corresponding path program 1 times [2024-11-02 08:50:04,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 08:50:04,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402252209] [2024-11-02 08:50:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 08:50:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 08:50:05,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299730995] [2024-11-02 08:50:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:05,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 08:50:05,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 08:50:05,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 08:50:05,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 08:50:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 08:50:05,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 08:50:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 08:50:06,063 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 08:50:06,067 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 08:50:06,069 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 08:50:06,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 08:50:06,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 08:50:06,278 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 08:50:06,396 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 08:50:06,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:50:06 BoogieIcfgContainer [2024-11-02 08:50:06,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 08:50:06,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 08:50:06,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 08:50:06,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 08:50:06,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:04" (3/4) ... [2024-11-02 08:50:06,407 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 08:50:06,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 08:50:06,409 INFO L158 Benchmark]: Toolchain (without parser) took 3455.09ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 95.5MB in the end (delta: 30.2MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-02 08:50:06,410 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 08:50:06,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.96ms. Allocated memory is still 161.5MB. Free memory was 125.2MB in the beginning and 108.9MB in the end (delta: 16.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 08:50:06,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.76ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 104.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 08:50:06,411 INFO L158 Benchmark]: Boogie Preprocessor took 53.89ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 08:50:06,412 INFO L158 Benchmark]: RCFGBuilder took 940.10ms. Allocated memory is still 161.5MB. Free memory was 102.7MB in the beginning and 98.1MB in the end (delta: 4.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-02 08:50:06,413 INFO L158 Benchmark]: TraceAbstraction took 1978.26ms. Allocated memory is still 161.5MB. Free memory was 97.0MB in the beginning and 95.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2024-11-02 08:50:06,413 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 161.5MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 08:50:06,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.96ms. Allocated memory is still 161.5MB. Free memory was 125.2MB in the beginning and 108.9MB in the end (delta: 16.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.76ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 104.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.89ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 940.10ms. Allocated memory is still 161.5MB. Free memory was 102.7MB in the beginning and 98.1MB in the end (delta: 4.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1978.26ms. Allocated memory is still 161.5MB. Free memory was 97.0MB in the beginning and 95.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 161.5MB. Free memory is still 95.5MB. 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 67, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] float var_1_21 = 0.65; [L40] float var_1_22 = 7.579; [L41] unsigned short int var_1_23 = 50; [L42] signed long int var_1_24 = -25; [L43] signed char var_1_25 = -1; [L44] signed char var_1_26 = 1; [L45] float var_1_27 = 31.3; [L46] float var_1_28 = 2.5; [L47] float var_1_29 = 8.25; [L48] unsigned short int last_1_var_1_5 = 0; [L49] unsigned char last_1_var_1_15 = 1; [L50] unsigned char last_1_var_1_18 = 1; [L51] unsigned long int last_1_var_1_19 = 1; [L164] isInitial = 1 [L165] FCALL initially() [L166] COND TRUE 1 [L167] CALL updateLastVariables() [L154] last_1_var_1_5 = var_1_5 [L155] last_1_var_1_15 = var_1_15 [L156] last_1_var_1_18 = var_1_18 [L157] last_1_var_1_19 = var_1_19 [L167] RET updateLastVariables() [L168] CALL updateVariables() [L118] var_1_4 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L120] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L121] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L122] var_1_6 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=27651, var_1_8=1289/10] [L124] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=27651, var_1_8=1289/10] [L125] var_1_7 = __VERIFIER_nondet_ushort() [L126] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L127] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L128] var_1_10 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L130] var_1_11 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L132] var_1_12 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L134] var_1_14 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L136] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L137] var_1_16 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L139] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L140] var_1_21 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L142] var_1_22 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L144] var_1_23 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L146] CALL assume_abort_if_not(var_1_23 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_23 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=1, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L147] var_1_26 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=-127, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=-127, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L149] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=-127, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=-127, var_1_27=313/10, var_1_28=5/2, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L150] var_1_28 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=-127, var_1_27=313/10, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=25, var_1_24=-25, var_1_25=-1, var_1_26=-127, var_1_27=313/10, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=1289/10] [L168] RET updateVariables() [L169] CALL step() [L55] COND FALSE !(var_1_21 == var_1_22) [L58] var_1_24 = var_1_23 [L59] var_1_25 = var_1_26 [L60] var_1_27 = var_1_28 [L61] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) >= var_1_27 [L62] var_1_29 = var_1_28 [L64] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; [L65] COND TRUE \read(last_1_var_1_18) [L66] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L67] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) [L74] COND FALSE !(var_1_12 != var_1_8) [L77] var_1_15 = var_1_16 [L79] var_1_17 = var_1_4 [L80] var_1_18 = var_1_16 [L81] var_1_19 = var_1_4 [L82] unsigned short int stepLocal_1 = var_1_17; [L83] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); [L84] COND FALSE !(stepLocal_0 && var_1_15) [L95] var_1_1 = var_1_17 [L97] unsigned short int stepLocal_2 = var_1_17; [L98] COND FALSE !(stepLocal_2 < last_1_var_1_5) [L101] COND FALSE !(! var_1_15) [L105] unsigned short int stepLocal_5 = var_1_6; [L106] unsigned short int stepLocal_4 = var_1_5; [L107] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) [L108] COND TRUE var_1_5 <= stepLocal_5 [L109] var_1_13 = 32 [L169] RET step() [L170] CALL, EXPR property() [L160-L161] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L170] RET, EXPR property() [L170] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=32, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_17=4, var_1_18=-255, var_1_19=4, var_1_1=4, var_1_20=25, var_1_23=25, var_1_24=25, var_1_25=-127, var_1_26=-127, var_1_27=33/4, var_1_28=33/4, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=509/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=32, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_17=4, var_1_18=-255, var_1_19=4, var_1_1=4, var_1_20=25, var_1_23=25, var_1_24=25, var_1_25=-127, var_1_26=-127, var_1_27=33/4, var_1_28=33/4, var_1_29=33/4, var_1_4=-252, var_1_5=0, var_1_6=98304, var_1_7=81920, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 21, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 08:50:06,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2 --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 e71601c55174be0ad57296dccc2279fd85b1f2c03bb5913dfcee88384188d311 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 08:50:08,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 08:50:09,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 08:50:09,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 08:50:09,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 08:50:09,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 08:50:09,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 08:50:09,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 08:50:09,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 08:50:09,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 08:50:09,121 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 08:50:09,121 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 08:50:09,121 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 08:50:09,122 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 08:50:09,122 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 08:50:09,122 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 08:50:09,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 08:50:09,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 08:50:09,127 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 08:50:09,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 08:50:09,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 08:50:09,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 08:50:09,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 08:50:09,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 08:50:09,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 08:50:09,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 08:50:09,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 08:50:09,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 08:50:09,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 08:50:09,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 08:50:09,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 08:50:09,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 08:50:09,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 08:50:09,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 08:50:09,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 08:50:09,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 08:50:09,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 08:50:09,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 08:50:09,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 08:50:09,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 08:50:09,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 08:50:09,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 08:50:09,138 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 08:50:09,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 08:50:09,138 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e71601c55174be0ad57296dccc2279fd85b1f2c03bb5913dfcee88384188d311 [2024-11-02 08:50:09,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 08:50:09,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 08:50:09,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 08:50:09,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 08:50:09,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 08:50:09,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i Unable to find full path for "g++" [2024-11-02 08:50:11,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 08:50:11,878 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 08:50:11,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i [2024-11-02 08:50:11,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data/646071d95/99f50b41641445fc9701eca8f75a7858/FLAGa1b824c70 [2024-11-02 08:50:12,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/data/646071d95/99f50b41641445fc9701eca8f75a7858 [2024-11-02 08:50:12,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 08:50:12,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 08:50:12,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 08:50:12,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 08:50:12,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 08:50:12,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395908df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12, skipping insertion in model container [2024-11-02 08:50:12,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 08:50:12,493 WARN L251 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i[915,928] [2024-11-02 08:50:12,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 08:50:12,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 08:50:12,622 WARN L251 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_c4d04baf-185c-4f94-bb8f-089fd577bed0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-59.i[915,928] [2024-11-02 08:50:12,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 08:50:12,710 INFO L204 MainTranslator]: Completed translation [2024-11-02 08:50:12,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12 WrapperNode [2024-11-02 08:50:12,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 08:50:12,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 08:50:12,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 08:50:12,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 08:50:12,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,783 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2024-11-02 08:50:12,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 08:50:12,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 08:50:12,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 08:50:12,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 08:50:12,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 08:50:12,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 08:50:12,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 08:50:12,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 08:50:12,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (1/1) ... [2024-11-02 08:50:12,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 08:50:12,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 08:50:12,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 08:50:12,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 08:50:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 08:50:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 08:50:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 08:50:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 08:50:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 08:50:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 08:50:13,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 08:50:13,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 08:50:13,981 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 08:50:13,981 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 08:50:13,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 08:50:13,995 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 08:50:13,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:13 BoogieIcfgContainer [2024-11-02 08:50:13,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 08:50:13,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 08:50:13,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 08:50:14,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 08:50:14,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:12" (1/3) ... [2024-11-02 08:50:14,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe551f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:14, skipping insertion in model container [2024-11-02 08:50:14,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:12" (2/3) ... [2024-11-02 08:50:14,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe551f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:14, skipping insertion in model container [2024-11-02 08:50:14,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:13" (3/3) ... [2024-11-02 08:50:14,007 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-59.i [2024-11-02 08:50:14,041 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 08:50:14,042 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 08:50:14,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 08:50:14,147 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d93d7fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 08:50:14,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 08:50:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 08:50:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-02 08:50:14,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 08:50:14,175 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 08:50:14,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 08:50:14,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 08:50:14,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1896989184, now seen corresponding path program 1 times [2024-11-02 08:50:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 08:50:14,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898845806] [2024-11-02 08:50:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:14,203 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:14,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 08:50:14,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 08:50:14,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 08:50:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:14,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 08:50:14,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-02 08:50:14,729 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 08:50:14,729 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 08:50:14,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898845806] [2024-11-02 08:50:14,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898845806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 08:50:14,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 08:50:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 08:50:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882786777] [2024-11-02 08:50:14,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 08:50:14,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 08:50:14,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 08:50:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 08:50:14,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 08:50:14,765 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 08:50:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 08:50:14,797 INFO L93 Difference]: Finished difference Result 133 states and 225 transitions. [2024-11-02 08:50:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 08:50:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2024-11-02 08:50:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 08:50:14,808 INFO L225 Difference]: With dead ends: 133 [2024-11-02 08:50:14,809 INFO L226 Difference]: Without dead ends: 66 [2024-11-02 08:50:14,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 08:50:14,817 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 08:50:14,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 08:50:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-02 08:50:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-02 08:50:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 08:50:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 98 transitions. [2024-11-02 08:50:14,872 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 98 transitions. Word has length 139 [2024-11-02 08:50:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 08:50:14,872 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 98 transitions. [2024-11-02 08:50:14,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 08:50:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2024-11-02 08:50:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-02 08:50:14,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 08:50:14,879 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 08:50:14,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 08:50:15,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:15,080 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 08:50:15,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 08:50:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2124689522, now seen corresponding path program 1 times [2024-11-02 08:50:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 08:50:15,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465264158] [2024-11-02 08:50:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:15,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 08:50:15,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 08:50:15,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 08:50:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:15,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 08:50:15,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-02 08:50:16,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 08:50:16,130 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 08:50:16,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465264158] [2024-11-02 08:50:16,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465264158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 08:50:16,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 08:50:16,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 08:50:16,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186756504] [2024-11-02 08:50:16,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 08:50:16,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 08:50:16,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 08:50:16,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 08:50:16,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 08:50:16,139 INFO L87 Difference]: Start difference. First operand 66 states and 98 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 08:50:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 08:50:16,963 INFO L93 Difference]: Finished difference Result 193 states and 289 transitions. [2024-11-02 08:50:16,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 08:50:16,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2024-11-02 08:50:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 08:50:16,975 INFO L225 Difference]: With dead ends: 193 [2024-11-02 08:50:16,975 INFO L226 Difference]: Without dead ends: 130 [2024-11-02 08:50:16,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 08:50:16,977 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 61 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 08:50:16,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 278 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 08:50:16,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-02 08:50:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 111. [2024-11-02 08:50:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 66 states have internal predecessors, (81), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-02 08:50:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 165 transitions. [2024-11-02 08:50:17,009 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 165 transitions. Word has length 139 [2024-11-02 08:50:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 08:50:17,010 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 165 transitions. [2024-11-02 08:50:17,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 08:50:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2024-11-02 08:50:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-02 08:50:17,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 08:50:17,013 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 08:50:17,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-02 08:50:17,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:17,218 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 08:50:17,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 08:50:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash -811586618, now seen corresponding path program 1 times [2024-11-02 08:50:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 08:50:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370560270] [2024-11-02 08:50:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:17,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 08:50:17,223 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 08:50:17,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 08:50:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:17,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 08:50:17,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-02 08:50:18,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 08:50:18,261 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 08:50:18,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370560270] [2024-11-02 08:50:18,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370560270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 08:50:18,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 08:50:18,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 08:50:18,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389161529] [2024-11-02 08:50:18,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 08:50:18,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 08:50:18,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 08:50:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 08:50:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 08:50:18,265 INFO L87 Difference]: Start difference. First operand 111 states and 165 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 08:50:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 08:50:19,266 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2024-11-02 08:50:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 08:50:19,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2024-11-02 08:50:19,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 08:50:19,277 INFO L225 Difference]: With dead ends: 247 [2024-11-02 08:50:19,277 INFO L226 Difference]: Without dead ends: 184 [2024-11-02 08:50:19,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 08:50:19,280 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 76 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-02 08:50:19,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 276 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-02 08:50:19,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-02 08:50:19,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 172. [2024-11-02 08:50:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 105 states have (on average 1.2476190476190476) internal successors, (131), 105 states have internal predecessors, (131), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-02 08:50:19,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 257 transitions. [2024-11-02 08:50:19,322 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 257 transitions. Word has length 140 [2024-11-02 08:50:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 08:50:19,323 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 257 transitions. [2024-11-02 08:50:19,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 08:50:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 257 transitions. [2024-11-02 08:50:19,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-02 08:50:19,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 08:50:19,326 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 08:50:19,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-02 08:50:19,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:19,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 08:50:19,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 08:50:19,531 INFO L85 PathProgramCache]: Analyzing trace with hash 229394467, now seen corresponding path program 1 times [2024-11-02 08:50:19,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 08:50:19,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293936214] [2024-11-02 08:50:19,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:19,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 08:50:19,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 08:50:19,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 08:50:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:19,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 08:50:19,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 438 proven. 42 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-02 08:50:20,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 08:50:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-02 08:50:21,068 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 08:50:21,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293936214] [2024-11-02 08:50:21,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293936214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 08:50:21,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1000858624] [2024-11-02 08:50:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:21,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 08:50:21,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 08:50:21,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 08:50:21,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-02 08:50:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:22,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 08:50:22,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 428 proven. 24 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-02 08:50:22,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 08:50:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-02 08:50:22,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1000858624] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 08:50:22,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015226773] [2024-11-02 08:50:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:22,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 08:50:22,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 08:50:22,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 08:50:22,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-02 08:50:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:23,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 08:50:23,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 428 proven. 24 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-02 08:50:23,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 08:50:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-02 08:50:23,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015226773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 08:50:23,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-02 08:50:23,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2024-11-02 08:50:23,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316393598] [2024-11-02 08:50:23,660 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-02 08:50:23,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-02 08:50:23,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 08:50:23,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-02 08:50:23,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-02 08:50:23,663 INFO L87 Difference]: Start difference. First operand 172 states and 257 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-02 08:50:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 08:50:25,960 INFO L93 Difference]: Finished difference Result 542 states and 771 transitions. [2024-11-02 08:50:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-02 08:50:25,962 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 141 [2024-11-02 08:50:25,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 08:50:25,970 INFO L225 Difference]: With dead ends: 542 [2024-11-02 08:50:25,973 INFO L226 Difference]: Without dead ends: 418 [2024-11-02 08:50:25,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 829 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-02 08:50:25,976 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 190 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-02 08:50:25,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 317 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-02 08:50:25,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-02 08:50:26,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 206. [2024-11-02 08:50:26,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 133 states have (on average 1.2030075187969924) internal successors, (160), 133 states have internal predecessors, (160), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-02 08:50:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 286 transitions. [2024-11-02 08:50:26,031 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 286 transitions. Word has length 141 [2024-11-02 08:50:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 08:50:26,032 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 286 transitions. [2024-11-02 08:50:26,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-02 08:50:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 286 transitions. [2024-11-02 08:50:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-02 08:50:26,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 08:50:26,035 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 08:50:26,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-02 08:50:26,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-02 08:50:26,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-02 08:50:26,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 08:50:26,637 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 08:50:26,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 08:50:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash 2004401829, now seen corresponding path program 1 times [2024-11-02 08:50:26,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 08:50:26,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548948037] [2024-11-02 08:50:26,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 08:50:26,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 08:50:26,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 08:50:26,642 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 08:50:26,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d04baf-185c-4f94-bb8f-089fd577bed0/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-02 08:50:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 08:50:26,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-02 08:50:26,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 08:50:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 498 proven. 132 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-02 08:50:32,049 INFO L311 TraceCheckSpWp]: Computing backward predicates...