./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX --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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:50,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:50,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:50,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:50,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:50,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:50,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:50,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:50,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:50,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:50,517 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:50,517 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:50,518 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:50,519 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:50,519 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:50,520 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:50,520 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:50,521 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:50,521 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:50,522 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:50,523 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:50,523 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:50,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:50,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:50,525 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:50,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:50,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:50,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:50,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:50,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:50,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:50,528 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:50,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:50,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:50,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:50,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:50,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:50,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:50,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:50,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:50,531 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:50,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:50,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:50,532 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:50,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:50,532 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_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2023-11-12 00:08:50,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:50,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:50,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:50,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:50,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:50,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i [2023-11-12 00:08:53,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:54,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:54,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i [2023-11-12 00:08:54,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data/47080f197/1126cdd957fb4cffa959b370c724bfa5/FLAGc3110fc03 [2023-11-12 00:08:54,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data/47080f197/1126cdd957fb4cffa959b370c724bfa5 [2023-11-12 00:08:54,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:54,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:54,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:54,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:54,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b872f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54, skipping insertion in model container [2023-11-12 00:08:54,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:54,470 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i[913,926] [2023-11-12 00:08:54,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:54,538 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:54,552 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i[913,926] [2023-11-12 00:08:54,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:54,617 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:54,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54 WrapperNode [2023-11-12 00:08:54,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:54,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:54,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:54,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,685 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-12 00:08:54,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:54,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:54,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:54,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:54,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:54,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:54,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:54,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:54,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:54,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:54,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:54,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:54,960 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:54,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:55,467 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:55,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:55,691 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:55,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:55 BoogieIcfgContainer [2023-11-12 00:08:55,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:55,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:55,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:55,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:55,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:54" (1/3) ... [2023-11-12 00:08:55,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a6b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:55, skipping insertion in model container [2023-11-12 00:08:55,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (2/3) ... [2023-11-12 00:08:55,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a6b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:55, skipping insertion in model container [2023-11-12 00:08:55,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:55" (3/3) ... [2023-11-12 00:08:55,709 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-29.i [2023-11-12 00:08:55,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:55,731 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:55,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:55,819 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69fc60b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:55,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 00:08:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-12 00:08:55,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:55,858 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:55,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:55,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:55,865 INFO L85 PathProgramCache]: Analyzing trace with hash 488140731, now seen corresponding path program 1 times [2023-11-12 00:08:55,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:55,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078250020] [2023-11-12 00:08:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:55,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:56,056 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:56,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58020733] [2023-11-12 00:08:56,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:56,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:56,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:56,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:56,612 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:56,614 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:56,616 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:56,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:08:56,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:56,829 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:56,833 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:56,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:56 BoogieIcfgContainer [2023-11-12 00:08:56,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:56,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:56,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:57,000 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:57,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:55" (3/4) ... [2023-11-12 00:08:57,005 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:57,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:57,008 INFO L158 Benchmark]: Toolchain (without parser) took 2757.97ms. Allocated memory was 161.5MB in the beginning and 243.3MB in the end (delta: 81.8MB). Free memory was 111.8MB in the beginning and 169.8MB in the end (delta: -58.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,008 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 161.5MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:57,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.74ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 98.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.63ms. Allocated memory is still 161.5MB. Free memory was 98.5MB in the beginning and 95.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,016 INFO L158 Benchmark]: Boogie Preprocessor took 35.31ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 94.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,018 INFO L158 Benchmark]: RCFGBuilder took 971.56ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 57.2MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,019 INFO L158 Benchmark]: TraceAbstraction took 1297.44ms. Allocated memory was 161.5MB in the beginning and 243.3MB in the end (delta: 81.8MB). Free memory was 56.5MB in the beginning and 169.8MB in the end (delta: -113.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:57,020 INFO L158 Benchmark]: Witness Printer took 7.23ms. Allocated memory is still 243.3MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:57,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 161.5MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.74ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 98.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.63ms. Allocated memory is still 161.5MB. Free memory was 98.5MB in the beginning and 95.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.31ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 94.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 971.56ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 57.2MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1297.44ms. Allocated memory was 161.5MB in the beginning and 243.3MB in the end (delta: 81.8MB). Free memory was 56.5MB in the beginning and 169.8MB in the end (delta: -113.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.23ms. Allocated memory is still 243.3MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_9 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L96] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L97] var_1_10 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L99] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L100] var_1_12 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L102] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L103] var_1_13 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L105] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L106] var_1_14 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L108] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L111] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L112] var_1_16 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L114] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L115] var_1_17 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L117] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L118] var_1_19 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L120] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L121] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L124] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L125] var_1_24 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L127] var_1_25 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L129] var_1_26 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L143] RET updateVariables() [L144] CALL step() [L47] var_1_8 = (var_1_9 - (2 + var_1_10)) [L48] COND TRUE var_1_22 != var_1_12 [L49] COND FALSE !(var_1_10 <= var_1_17) [L55] COND FALSE !(! ((var_1_9 - var_1_22) > var_1_12)) [L58] COND TRUE var_1_23 == var_1_23 [L59] COND TRUE var_1_15 >= (var_1_27 / var_1_19) [L60] var_1_18 = var_1_7 [L63] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L64] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) [L68] COND TRUE \read(var_1_18) [L69] var_1_1 = (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6) [L73] COND FALSE !(\read(var_1_1)) [L76] COND FALSE !(var_1_27 >= var_1_14) [L79] COND TRUE \read(var_1_7) [L80] var_1_11 = var_1_16 [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=63, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=1, var_1_19=-128, var_1_1=0, var_1_20=32702, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=32701, var_1_9=32704] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=63, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=1, var_1_19=-128, var_1_1=0, var_1_20=32702, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=32701, var_1_9=32704] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:08:57,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX --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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:59,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:59,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:59,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:59,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:59,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:59,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:59,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:59,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:59,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:59,793 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:59,793 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:59,794 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:59,795 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:59,795 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:59,796 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:59,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:59,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:59,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:59,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:59,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:59,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:59,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:59,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:59,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:59,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:59,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:59,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:59,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:59,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:59,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:59,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:59,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:59,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:59,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:59,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:59,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:59,806 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:59,806 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:59,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:59,807 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:59,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:59,808 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_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2023-11-12 00:09:00,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:00,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:00,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:00,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:00,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:00,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i [2023-11-12 00:09:03,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:03,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:03,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i [2023-11-12 00:09:03,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data/8aebec708/973262edd70944d1afcf14f8684681ec/FLAGdce837b1c [2023-11-12 00:09:03,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/data/8aebec708/973262edd70944d1afcf14f8684681ec [2023-11-12 00:09:03,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:03,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:03,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:03,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:03,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:03,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:03,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462debbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03, skipping insertion in model container [2023-11-12 00:09:03,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:03,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:03,705 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i[913,926] [2023-11-12 00:09:03,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:03,821 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:03,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-29.i[913,926] [2023-11-12 00:09:03,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:03,914 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:03,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03 WrapperNode [2023-11-12 00:09:03,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:03,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:03,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:03,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:03,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:03,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:03,992 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-12 00:09:03,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:03,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:03,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:03,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:04,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:04,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:04,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:04,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:04,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (1/1) ... [2023-11-12 00:09:04,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:04,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:04,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:04,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:09:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:04,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:04,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:06,854 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:06,865 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:06,868 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:06,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:06 BoogieIcfgContainer [2023-11-12 00:09:06,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:06,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:06,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:06,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:06,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:03" (1/3) ... [2023-11-12 00:09:06,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19532c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:06, skipping insertion in model container [2023-11-12 00:09:06,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:03" (2/3) ... [2023-11-12 00:09:06,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19532c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:06, skipping insertion in model container [2023-11-12 00:09:06,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:06" (3/3) ... [2023-11-12 00:09:06,885 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-29.i [2023-11-12 00:09:06,910 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:06,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:06,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:06,977 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@738eaa04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:06,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 00:09:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:09:07,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:07,012 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:07,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:07,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:07,025 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2023-11-12 00:09:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:07,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104922967] [2023-11-12 00:09:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:07,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:07,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:07,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:07,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:09:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:07,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:09:07,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:09:08,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:08,139 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104922967] [2023-11-12 00:09:08,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104922967] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:08,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [13759883] [2023-11-12 00:09:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:08,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:08,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:08,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:09:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:08,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:09:08,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-12 00:09:09,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:09,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [13759883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:09,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:09:09,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-12 00:09:09,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598399121] [2023-11-12 00:09:09,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:09,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:09,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:09,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:09,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:09:09,400 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:09:10,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:10,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:10,566 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2023-11-12 00:09:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:10,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-12 00:09:10,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:10,602 INFO L225 Difference]: With dead ends: 202 [2023-11-12 00:09:10,602 INFO L226 Difference]: Without dead ends: 133 [2023-11-12 00:09:10,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:09:10,610 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 20 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:10,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-12 00:09:10,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-12 00:09:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2023-11-12 00:09:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-12 00:09:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2023-11-12 00:09:10,689 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2023-11-12 00:09:10,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:10,691 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2023-11-12 00:09:10,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:09:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2023-11-12 00:09:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:09:10,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:10,697 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:10,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:10,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:11,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:11,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:11,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:11,118 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2023-11-12 00:09:11,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:11,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290179733] [2023-11-12 00:09:11,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:11,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:11,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:11,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:09:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:11,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:09:11,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:09:11,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:11,779 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:11,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290179733] [2023-11-12 00:09:11,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290179733] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:11,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [875195853] [2023-11-12 00:09:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:11,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:11,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:11,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:11,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:09:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:12,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:09:12,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-12 00:09:12,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:12,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [875195853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:12,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:09:12,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-12 00:09:12,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51716440] [2023-11-12 00:09:12,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:12,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:12,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:12,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:09:12,726 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:09:14,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:15,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:15,978 INFO L93 Difference]: Finished difference Result 385 states and 605 transitions. [2023-11-12 00:09:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:15,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-12 00:09:15,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:15,989 INFO L225 Difference]: With dead ends: 385 [2023-11-12 00:09:15,991 INFO L226 Difference]: Without dead ends: 257 [2023-11-12 00:09:15,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:09:15,996 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:15,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 281 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-12 00:09:16,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-11-12 00:09:16,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2023-11-12 00:09:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 138 states have internal predecessors, (174), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-12 00:09:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 398 transitions. [2023-11-12 00:09:16,106 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 398 transitions. Word has length 170 [2023-11-12 00:09:16,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:16,109 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 398 transitions. [2023-11-12 00:09:16,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:09:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 398 transitions. [2023-11-12 00:09:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:09:16,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:16,113 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:16,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:16,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-12 00:09:16,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:16,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:16,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:16,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1731312048, now seen corresponding path program 1 times [2023-11-12 00:09:16,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:16,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807904336] [2023-11-12 00:09:16,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:16,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:16,526 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:16,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:09:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:17,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:09:17,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:09:17,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:17,242 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807904336] [2023-11-12 00:09:17,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807904336] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:17,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1374138273] [2023-11-12 00:09:17,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:17,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:17,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:17,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:17,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:09:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:18,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:09:18,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:09:19,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-12 00:09:19,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1374138273] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:19,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054255802] [2023-11-12 00:09:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:19,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:19,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:19,629 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:19,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:09:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:19,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:09:19,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:09:20,006 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:20,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054255802] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:20,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-12 00:09:20,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6, 5] total 11 [2023-11-12 00:09:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612653025] [2023-11-12 00:09:20,027 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:20,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 00:09:20,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:20,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 00:09:20,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:09:20,030 INFO L87 Difference]: Start difference. First operand 255 states and 398 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-12 00:09:31,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:09:37,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:37,213 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2023-11-12 00:09:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-12 00:09:37,225 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 170 [2023-11-12 00:09:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:37,231 INFO L225 Difference]: With dead ends: 701 [2023-11-12 00:09:37,232 INFO L226 Difference]: Without dead ends: 449 [2023-11-12 00:09:37,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=417, Invalid=1143, Unknown=0, NotChecked=0, Total=1560 [2023-11-12 00:09:37,236 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 232 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:37,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 373 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2023-11-12 00:09:37,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-12 00:09:37,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 291. [2023-11-12 00:09:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 166 states have (on average 1.2048192771084338) internal successors, (200), 166 states have internal predecessors, (200), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-12 00:09:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 424 transitions. [2023-11-12 00:09:37,331 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 424 transitions. Word has length 170 [2023-11-12 00:09:37,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:37,332 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 424 transitions. [2023-11-12 00:09:37,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-12 00:09:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 424 transitions. [2023-11-12 00:09:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:09:37,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:37,342 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:37,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:37,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:37,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:37,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:37,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:37,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1933300087, now seen corresponding path program 1 times [2023-11-12 00:09:37,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:37,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662299778] [2023-11-12 00:09:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:37,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:09:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:37,954 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:09:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdeac638-222d-4bf7-ac94-ebba04ae5a9d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-12 00:09:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:38,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 00:09:38,406 INFO L285 TraceCheckSpWp]: Computing forward predicates...