./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.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_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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_558d90ee-65cd-435b-9530-d5a17d8e7613/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 03eb8d0594f660e397efb8ed7c8e04abe62220780abc754b35c25622af978718 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:56,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:56,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:53:56,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:56,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:56,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:56,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:56,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:56,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:56,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:56,328 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:56,329 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:56,330 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:56,330 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:56,331 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:56,332 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:56,332 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:56,333 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:56,334 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:56,334 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:56,335 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:56,336 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:56,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:56,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:56,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:56,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:56,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:56,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:56,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:56,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:56,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:56,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:56,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:56,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:56,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:56,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:56,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:56,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:56,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:56,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:56,347 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:56,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:56,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:56,349 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:56,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:56,349 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_558d90ee-65cd-435b-9530-d5a17d8e7613/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03eb8d0594f660e397efb8ed7c8e04abe62220780abc754b35c25622af978718 [2023-11-12 00:53:56,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:56,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:56,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:56,739 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:56,740 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:56,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i [2023-11-12 00:54:00,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:01,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:01,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i [2023-11-12 00:54:01,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data/a58ebe13c/6f88b1c2aa3a4d10930494151bec40cd/FLAGe899c611d [2023-11-12 00:54:01,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data/a58ebe13c/6f88b1c2aa3a4d10930494151bec40cd [2023-11-12 00:54:01,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:01,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:01,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:01,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:01,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:01,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd75bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01, skipping insertion in model container [2023-11-12 00:54:01,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:01,432 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_558d90ee-65cd-435b-9530-d5a17d8e7613/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i[917,930] [2023-11-12 00:54:01,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:01,530 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:01,546 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_558d90ee-65cd-435b-9530-d5a17d8e7613/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i[917,930] [2023-11-12 00:54:01,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:01,616 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:01,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01 WrapperNode [2023-11-12 00:54:01,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:01,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:01,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:01,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:01,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,703 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-12 00:54:01,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:01,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:01,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:01,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:01,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:01,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:01,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:01,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:01,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (1/1) ... [2023-11-12 00:54:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:01,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:01,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:01,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:54:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:54:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:02,072 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:02,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:02,638 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:02,945 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:02,945 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:02,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:02 BoogieIcfgContainer [2023-11-12 00:54:02,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:02,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:02,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:02,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:02,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:01" (1/3) ... [2023-11-12 00:54:02,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63163c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:02, skipping insertion in model container [2023-11-12 00:54:02,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:01" (2/3) ... [2023-11-12 00:54:02,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63163c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:02, skipping insertion in model container [2023-11-12 00:54:02,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:02" (3/3) ... [2023-11-12 00:54:02,969 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-86.i [2023-11-12 00:54:03,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:03,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:03,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:03,082 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;@76b614ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:03,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:54:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 00:54:03,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:03,106 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:03,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:03,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:03,114 INFO L85 PathProgramCache]: Analyzing trace with hash -193684519, now seen corresponding path program 1 times [2023-11-12 00:54:03,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:03,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039555536] [2023-11-12 00:54:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:54:03,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:54:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:54:04,187 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:54:04,189 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:54:04,192 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:54:04,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:04,202 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:54:04,208 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:54:04,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:54:04 BoogieIcfgContainer [2023-11-12 00:54:04,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:54:04,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:54:04,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:54:04,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:54:04,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:02" (3/4) ... [2023-11-12 00:54:04,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:54:04,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:54:04,393 INFO L158 Benchmark]: Toolchain (without parser) took 3219.36ms. Allocated memory is still 176.2MB. Free memory was 140.6MB in the beginning and 116.3MB in the end (delta: 24.3MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:04,394 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:04,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.35ms. Allocated memory is still 176.2MB. Free memory was 140.6MB in the beginning and 126.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:54:04,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.78ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 121.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:54:04,398 INFO L158 Benchmark]: Boogie Preprocessor took 80.26ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:54:04,405 INFO L158 Benchmark]: RCFGBuilder took 1163.74ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 78.8MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 00:54:04,406 INFO L158 Benchmark]: TraceAbstraction took 1423.76ms. Allocated memory is still 176.2MB. Free memory was 78.0MB in the beginning and 117.3MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:04,408 INFO L158 Benchmark]: Witness Printer took 8.60ms. Allocated memory is still 176.2MB. Free memory was 117.3MB in the beginning and 116.3MB in the end (delta: 978.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:04,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.35ms. Allocated memory is still 176.2MB. Free memory was 140.6MB in the beginning and 126.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.78ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 121.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.26ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1163.74ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 78.8MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1423.76ms. Allocated memory is still 176.2MB. Free memory was 78.0MB in the beginning and 117.3MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.60ms. Allocated memory is still 176.2MB. Free memory was 117.3MB in the beginning and 116.3MB in the end (delta: 978.8kB). 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 107, overapproximation of shiftLeft at line 56, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = 2; [L25] signed short int var_1_4 = 256; [L26] signed short int var_1_5 = -256; [L27] signed short int var_1_6 = 2; [L28] float var_1_7 = 255.8; [L29] float var_1_8 = 127.8; [L30] float var_1_9 = 128.5; [L31] float var_1_10 = 499.3; [L32] unsigned short int var_1_11 = 10; [L33] unsigned char var_1_12 = 1; [L34] unsigned short int var_1_13 = 8; [L35] unsigned short int var_1_14 = 256; [L36] unsigned short int var_1_15 = 1; [L37] unsigned short int var_1_16 = 16; [L38] unsigned short int var_1_17 = 57705; [L39] unsigned long int var_1_18 = 64; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] FCALL updateLastVariables() [L115] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L66] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_3 >= -16383) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L69] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L70] var_1_4 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_4 >= -8191) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 >= -8191) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L72] CALL assume_abort_if_not(var_1_4 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 <= 8192) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=-256, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L73] var_1_5 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_5 >= -8191) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 >= -8191) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L75] CALL assume_abort_if_not(var_1_5 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 <= 8191) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=2, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L76] var_1_6 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_6 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 >= -32767) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L78] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=639/5, var_1_9=257/2] [L79] var_1_8 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=257/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=257/2] [L81] var_1_9 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4993/10, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L87] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L90] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L91] var_1_14 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L93] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L94] var_1_15 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L96] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L97] var_1_16 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L99] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L100] var_1_17 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L102] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, var_1_10=2147516422, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L115] RET updateVariables() [L116] CALL step() [L43] COND TRUE ! var_1_2 [L44] var_1_1 = (((((var_1_3 + (var_1_4 + var_1_5))) < (var_1_6)) ? ((var_1_3 + (var_1_4 + var_1_5))) : (var_1_6))) [L48] signed short int stepLocal_0 = var_1_5; [L49] COND TRUE stepLocal_0 > 2 [L50] var_1_7 = ((var_1_8 + var_1_9) - var_1_10) [L52] var_1_18 = var_1_17 [L53] COND FALSE !(var_1_2 && var_1_12) [L56] EXPR -25 << var_1_18 [L56] COND FALSE !(var_1_3 < (200 * (-25 << var_1_18))) [L59] var_1_11 = (var_1_17 - var_1_15) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR (((! var_1_2) ? (var_1_1 == ((signed short int) (((((var_1_3 + (var_1_4 + var_1_5))) < (var_1_6)) ? ((var_1_3 + (var_1_4 + var_1_5))) : (var_1_6))))) : (var_1_1 == ((signed short int) var_1_5))) && ((var_1_5 > 2) ? (var_1_7 == ((float) ((var_1_8 + var_1_9) - var_1_10))) : 1)) && ((var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15))))) [L107-L108] return ((((! var_1_2) ? (var_1_1 == ((signed short int) (((((var_1_3 + (var_1_4 + var_1_5))) < (var_1_6)) ? ((var_1_3 + (var_1_4 + var_1_5))) : (var_1_6))))) : (var_1_1 == ((signed short int) var_1_5))) && ((var_1_5 > 2) ? (var_1_7 == ((float) ((var_1_8 + var_1_9) - var_1_10))) : 1)) && ((var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15)))))) && (var_1_18 == ((unsigned long int) var_1_17)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147516422, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=32767, var_1_18=32767, var_1_1=-32767, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147516422, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=32766, var_1_15=32767, var_1_16=32765, var_1_17=32767, var_1_18=32767, var_1_1=-32767, var_1_2=0, var_1_3=16383, var_1_4=8192, var_1_5=8191, var_1_6=-32767, var_1_7=1279/5, var_1_8=2147516421, var_1_9=2147516420] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 25, 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=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 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 00:54:04,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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_558d90ee-65cd-435b-9530-d5a17d8e7613/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 03eb8d0594f660e397efb8ed7c8e04abe62220780abc754b35c25622af978718 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:07,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:07,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:54:07,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:07,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:08,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:08,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:08,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:08,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:08,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:08,076 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:08,076 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:08,077 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:08,079 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:08,080 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:08,081 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:08,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:08,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:08,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:08,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:08,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:08,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:08,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:08,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:08,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:08,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:54:08,090 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:54:08,091 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:08,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:08,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:08,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:08,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:54:08,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:08,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:08,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:08,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:08,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:08,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:54:08,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:54:08,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:08,099 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:08,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:08,104 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_558d90ee-65cd-435b-9530-d5a17d8e7613/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03eb8d0594f660e397efb8ed7c8e04abe62220780abc754b35c25622af978718 [2023-11-12 00:54:08,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:08,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:08,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:08,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:08,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:08,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i [2023-11-12 00:54:12,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:12,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:12,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i [2023-11-12 00:54:13,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data/92af8de81/52eebf7e210649a6a727cd4803f6c830/FLAGa7f29be8f [2023-11-12 00:54:13,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/data/92af8de81/52eebf7e210649a6a727cd4803f6c830 [2023-11-12 00:54:13,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:13,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:13,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:13,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:13,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:13,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c62baca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13, skipping insertion in model container [2023-11-12 00:54:13,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:13,330 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_558d90ee-65cd-435b-9530-d5a17d8e7613/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i[917,930] [2023-11-12 00:54:13,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:13,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:13,539 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_558d90ee-65cd-435b-9530-d5a17d8e7613/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-86.i[917,930] [2023-11-12 00:54:13,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:13,651 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:13,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13 WrapperNode [2023-11-12 00:54:13,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:13,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:13,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:13,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:13,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,766 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-12 00:54:13,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:13,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:13,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:13,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:13,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:13,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:13,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:13,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:13,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (1/1) ... [2023-11-12 00:54:13,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:13,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:14,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:14,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:54:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:54:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:54:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:14,247 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:14,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:15,147 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:15,159 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:15,162 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:15,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:15 BoogieIcfgContainer [2023-11-12 00:54:15,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:15,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:15,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:15,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:15,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:13" (1/3) ... [2023-11-12 00:54:15,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db9ac8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:15, skipping insertion in model container [2023-11-12 00:54:15,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:13" (2/3) ... [2023-11-12 00:54:15,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db9ac8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:15, skipping insertion in model container [2023-11-12 00:54:15,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:15" (3/3) ... [2023-11-12 00:54:15,180 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-86.i [2023-11-12 00:54:15,206 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:15,207 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:15,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:15,283 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;@1c9d6206, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:15,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 36 states have (on average 1.25) internal successors, (45), 37 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:54:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 00:54:15,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:15,313 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:15,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:15,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash -195440256, now seen corresponding path program 1 times [2023-11-12 00:54:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:15,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466127985] [2023-11-12 00:54:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:15,344 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 00:54:15,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:15,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 00:54:15,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 00:54:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:15,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:54:16,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-12 00:54:16,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:16,066 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466127985] [2023-11-12 00:54:16,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466127985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:16,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:16,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:16,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763695454] [2023-11-12 00:54:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:16,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:54:16,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:16,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:54:16,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:54:16,137 INFO L87 Difference]: Start difference. First operand has 64 states, 36 states have (on average 1.25) internal successors, (45), 37 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:54:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:16,194 INFO L93 Difference]: Finished difference Result 121 states and 209 transitions. [2023-11-12 00:54:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:54:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 153 [2023-11-12 00:54:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:16,211 INFO L225 Difference]: With dead ends: 121 [2023-11-12 00:54:16,212 INFO L226 Difference]: Without dead ends: 60 [2023-11-12 00:54:16,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:54:16,222 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:16,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-12 00:54:16,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-12 00:54:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:54:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2023-11-12 00:54:16,280 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 153 [2023-11-12 00:54:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:16,281 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2023-11-12 00:54:16,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:54:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2023-11-12 00:54:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 00:54:16,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:16,292 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:16,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 00:54:16,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 [2023-11-12 00:54:16,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:16,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:16,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1362029510, now seen corresponding path program 1 times [2023-11-12 00:54:16,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:16,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382549744] [2023-11-12 00:54:16,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:16,497 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 00:54:16,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:16,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 00:54:16,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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)] Waiting until timeout for monitored process [2023-11-12 00:54:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:16,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:54:16,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:54:17,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:17,023 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:17,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382549744] [2023-11-12 00:54:17,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382549744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:17,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:17,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:54:17,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955704739] [2023-11-12 00:54:17,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:17,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:17,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:17,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:17,029 INFO L87 Difference]: Start difference. First operand 60 states and 88 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:54:17,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:17,309 INFO L93 Difference]: Finished difference Result 130 states and 189 transitions. [2023-11-12 00:54:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:17,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 153 [2023-11-12 00:54:17,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:17,320 INFO L225 Difference]: With dead ends: 130 [2023-11-12 00:54:17,320 INFO L226 Difference]: Without dead ends: 73 [2023-11-12 00:54:17,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:17,323 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 13 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:17,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 169 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:54:17,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-12 00:54:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 64. [2023-11-12 00:54:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:54:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2023-11-12 00:54:17,339 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 153 [2023-11-12 00:54:17,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:17,342 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2023-11-12 00:54:17,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:54:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2023-11-12 00:54:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 00:54:17,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:17,346 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:17,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:17,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 [2023-11-12 00:54:17,565 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:17,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:17,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2042087880, now seen corresponding path program 1 times [2023-11-12 00:54:17,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:17,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672622258] [2023-11-12 00:54:17,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:17,567 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 00:54:17,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:17,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 00:54:17,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558d90ee-65cd-435b-9530-d5a17d8e7613/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 00:54:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:17,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:54:17,976 INFO L285 TraceCheckSpWp]: Computing forward predicates...