./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:06,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:06,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:28:06,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:06,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:06,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:06,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:06,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:06,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:06,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:06,746 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:06,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:06,747 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:06,748 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:06,748 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:06,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:06,751 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:06,751 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:06,751 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:06,752 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:06,752 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:06,757 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:06,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:06,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:06,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:06,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:06,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:06,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:06,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:06,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:06,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:06,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:06,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:06,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:06,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:06,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:06,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:06,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:06,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:06,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:06,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:06,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:06,767 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:06,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:06,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:06,768 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:06,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:06,768 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_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb [2024-11-02 12:28:07,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:07,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:07,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:07,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:07,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:07,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i Unable to find full path for "g++" [2024-11-02 12:28:09,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:09,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:09,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i [2024-11-02 12:28:09,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data/d43368669/dd6c5c2efc924ca6b6bb768972e47ef2/FLAG5da8058f5 [2024-11-02 12:28:09,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data/d43368669/dd6c5c2efc924ca6b6bb768972e47ef2 [2024-11-02 12:28:09,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:09,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:09,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:09,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:09,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:09,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:09" (1/1) ... [2024-11-02 12:28:09,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65109af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:09, skipping insertion in model container [2024-11-02 12:28:09,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:09" (1/1) ... [2024-11-02 12:28:09,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:10,145 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2024-11-02 12:28:10,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:10,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:10,228 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2024-11-02 12:28:10,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:10,279 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:10,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10 WrapperNode [2024-11-02 12:28:10,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:10,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:10,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:10,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:10,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,346 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-02 12:28:10,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:10,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:10,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:10,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:10,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:10,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:10,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:10,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:10,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (1/1) ... [2024-11-02 12:28:10,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:10,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:10,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:10,584 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:10,587 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:11,013 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:11,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:11,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:11,174 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:11,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:11 BoogieIcfgContainer [2024-11-02 12:28:11,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:11,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:11,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:11,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:11,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:09" (1/3) ... [2024-11-02 12:28:11,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e75e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:11, skipping insertion in model container [2024-11-02 12:28:11,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:10" (2/3) ... [2024-11-02 12:28:11,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e75e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:11, skipping insertion in model container [2024-11-02 12:28:11,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:11" (3/3) ... [2024-11-02 12:28:11,185 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-6.i [2024-11-02 12:28:11,202 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:11,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:11,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:11,275 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7056d5b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:11,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:28:11,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-02 12:28:11,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:11,294 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:11,295 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:11,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:11,301 INFO L85 PathProgramCache]: Analyzing trace with hash 451450714, now seen corresponding path program 1 times [2024-11-02 12:28:11,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:11,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107652998] [2024-11-02 12:28:11,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:11,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:28:11,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579217957] [2024-11-02 12:28:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:11,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:28:11,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:11,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:28:11,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:28:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:12,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:12,533 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:12,537 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:12,539 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:28:12,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:28:12,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:28:12,748 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:28:12,818 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:12,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:12 BoogieIcfgContainer [2024-11-02 12:28:12,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:12,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:12,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:12,826 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:12,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:11" (3/4) ... [2024-11-02 12:28:12,830 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:12,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:12,832 INFO L158 Benchmark]: Toolchain (without parser) took 3013.60ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 128.6MB in the end (delta: 10.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-02 12:28:12,833 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:12,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.49ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 133.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:28:12,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.15ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 130.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:12,838 INFO L158 Benchmark]: Boogie Preprocessor took 40.18ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:12,838 INFO L158 Benchmark]: RCFGBuilder took 786.92ms. Allocated memory is still 172.0MB. Free memory was 128.3MB in the beginning and 96.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-02 12:28:12,839 INFO L158 Benchmark]: TraceAbstraction took 1647.63ms. Allocated memory is still 172.0MB. Free memory was 96.8MB in the beginning and 129.6MB in the end (delta: -32.8MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-11-02 12:28:12,839 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 172.0MB. Free memory was 129.6MB in the beginning and 128.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:12,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.49ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 133.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.15ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 130.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.18ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.92ms. Allocated memory is still 172.0MB. Free memory was 128.3MB in the beginning and 96.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1647.63ms. Allocated memory is still 172.0MB. Free memory was 96.8MB in the beginning and 129.6MB in the end (delta: -32.8MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 172.0MB. Free memory was 129.6MB in the beginning and 128.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned short int var_1_4 = 32; [L24] unsigned short int var_1_6 = 10; [L25] signed long int var_1_7 = 4; [L26] signed long int var_1_8 = 2; [L27] double var_1_9 = 0.0; [L28] double var_1_10 = 64.2; [L29] double var_1_11 = 0.0; [L30] double var_1_12 = 0.25; [L31] unsigned short int var_1_13 = 36833; [L32] unsigned char var_1_14 = 0; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] signed long int var_1_18 = -32; [L36] unsigned long int var_1_20 = 50; [L37] unsigned long int var_1_21 = 2655070710; [L38] unsigned char last_1_var_1_14 = 0; [L39] signed long int last_1_var_1_18 = -32; [L40] unsigned long int last_1_var_1_20 = 50; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L101] last_1_var_1_14 = var_1_14 [L102] last_1_var_1_18 = var_1_18 [L103] last_1_var_1_20 = var_1_20 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=4, var_1_8=2, var_1_9=0] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_7 <= 17) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_7 <= 17) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=2, var_1_9=0] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_8 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_8 <= 16) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0, var_1_9=0] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10=321/5, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_11=0, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L83] var_1_11 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_12=1/4, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=36833, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L87] var_1_13 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L89] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=0, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L92] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=0, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L95] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=2655070710, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L96] var_1_21 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=10737418239, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=10737418239, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L98] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=10737418239, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=-32, var_1_1=0, var_1_20=50, var_1_21=10737418239, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L114] RET updateVariables() [L115] CALL step() [L44] COND TRUE (var_1_4 - last_1_var_1_20) == last_1_var_1_18 [L45] COND FALSE !(((var_1_9 - var_1_10) - var_1_11) > var_1_12) [L51] COND TRUE var_1_13 > var_1_6 [L52] var_1_18 = (((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))) - var_1_6) [L54] COND FALSE !(\read(last_1_var_1_14)) [L57] var_1_20 = ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < ((var_1_21 - var_1_7))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : ((var_1_21 - var_1_7)))) [L58] unsigned long int stepLocal_1 = var_1_20; [L59] unsigned long int stepLocal_0 = var_1_20; [L60] COND FALSE !((((((var_1_18) > (var_1_18)) ? (var_1_18) : (var_1_18))) / var_1_4) > stepLocal_1) [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((((((((var_1_18) > (var_1_18)) ? (var_1_18) : (var_1_18))) / var_1_4) > var_1_20) ? ((var_1_20 == var_1_18) ? (var_1_1 == ((unsigned long int) 1000000000u)) : (var_1_1 == ((unsigned long int) 128u))) : 1) && (((var_1_4 - last_1_var_1_20) == last_1_var_1_18) ? ((((var_1_9 - var_1_10) - var_1_11) > var_1_12) ? (var_1_6 == ((unsigned short int) (var_1_13 - var_1_8))) : 1) : (var_1_6 == ((unsigned short int) var_1_13)))) && (last_1_var_1_14 ? (var_1_14 == ((unsigned char) (var_1_16 && var_1_17))) : 1)) && ((var_1_13 > var_1_6) ? (var_1_18 == ((signed long int) (((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))) - var_1_6))) : 1)) && (var_1_20 == ((unsigned long int) ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < ((var_1_21 - var_1_7))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : ((var_1_21 - var_1_7)))))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_20=50, var_1_21=10737418239, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_13=32767, var_1_14=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_20=50, var_1_21=10737418239, var_1_4=18, var_1_6=10, var_1_7=17, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 19, 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=39occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:28:12,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/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_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:15,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:15,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:28:15,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:15,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:15,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:15,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:15,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:15,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:15,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:15,654 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:15,654 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:15,655 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:15,655 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:15,656 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:15,656 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:15,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:15,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:15,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:15,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:15,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:15,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:15,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:15,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:15,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:15,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:15,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:15,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:15,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:15,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:15,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:15,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:15,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:15,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:15,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:15,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:15,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:15,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:15,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:15,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:15,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:15,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:15,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:15,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:15,667 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_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d73169866977dcaccdece02ee66e85657451dd2678c2f9b97d40486db7899feb [2024-11-02 12:28:16,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:16,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:16,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:16,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:16,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:16,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i Unable to find full path for "g++" [2024-11-02 12:28:18,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:18,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:18,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i [2024-11-02 12:28:18,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data/75a642c94/d9d3a749ec9e4ad894e5aa144cdc2b95/FLAG4149ad69b [2024-11-02 12:28:19,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/data/75a642c94/d9d3a749ec9e4ad894e5aa144cdc2b95 [2024-11-02 12:28:19,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:19,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:19,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:19,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:19,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:19,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527f3881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19, skipping insertion in model container [2024-11-02 12:28:19,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:19,379 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2024-11-02 12:28:19,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:19,441 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:19,454 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-6.i[916,929] [2024-11-02 12:28:19,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:19,506 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:19,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19 WrapperNode [2024-11-02 12:28:19,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:19,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:19,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:19,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:19,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,583 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-02 12:28:19,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:19,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:19,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:19,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:19,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:19,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:19,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:19,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:19,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (1/1) ... [2024-11-02 12:28:19,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:19,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:19,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:19,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:19,823 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:19,827 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:23,895 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:23,895 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:23,918 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:23,919 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:23,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:23 BoogieIcfgContainer [2024-11-02 12:28:23,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:23,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:23,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:23,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:23,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:19" (1/3) ... [2024-11-02 12:28:23,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b67cfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:23, skipping insertion in model container [2024-11-02 12:28:23,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:19" (2/3) ... [2024-11-02 12:28:23,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b67cfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:23, skipping insertion in model container [2024-11-02 12:28:23,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:23" (3/3) ... [2024-11-02 12:28:23,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-6.i [2024-11-02 12:28:23,972 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:23,973 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:24,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:24,073 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33c1e864, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:24,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:24,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:28:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-02 12:28:24,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:24,098 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:24,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:24,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1544026128, now seen corresponding path program 1 times [2024-11-02 12:28:24,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:24,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993061213] [2024-11-02 12:28:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:24,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:24,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:24,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:28:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:24,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:28:24,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-02 12:28:24,580 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:24,581 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:24,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993061213] [2024-11-02 12:28:24,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993061213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:24,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:24,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:28:24,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267340817] [2024-11-02 12:28:24,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:24,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:28:24,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:24,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:28:24,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:24,627 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:28:24,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:24,658 INFO L93 Difference]: Finished difference Result 105 states and 179 transitions. [2024-11-02 12:28:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:28:24,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-02 12:28:24,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:24,671 INFO L225 Difference]: With dead ends: 105 [2024-11-02 12:28:24,671 INFO L226 Difference]: Without dead ends: 52 [2024-11-02 12:28:24,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:24,678 INFO L432 NwaCegarLoop]: 76 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, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:24,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:24,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-02 12:28:24,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-02 12:28:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:28:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-02 12:28:24,746 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 120 [2024-11-02 12:28:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:24,746 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-02 12:28:24,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:28:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-02 12:28:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-02 12:28:24,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:24,752 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:24,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:28:24,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:24,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:24,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:24,954 INFO L85 PathProgramCache]: Analyzing trace with hash 555848794, now seen corresponding path program 1 times [2024-11-02 12:28:24,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:24,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604000258] [2024-11-02 12:28:24,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:24,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:24,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:24,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:28:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:25,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:28:25,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-02 12:28:25,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:25,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:25,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604000258] [2024-11-02 12:28:25,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604000258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:25,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:25,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:28:25,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115613250] [2024-11-02 12:28:25,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:25,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:25,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:25,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:25,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:25,469 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-02 12:28:28,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:28:28,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:28,118 INFO L93 Difference]: Finished difference Result 136 states and 198 transitions. [2024-11-02 12:28:28,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:28,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 120 [2024-11-02 12:28:28,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:28,122 INFO L225 Difference]: With dead ends: 136 [2024-11-02 12:28:28,122 INFO L226 Difference]: Without dead ends: 87 [2024-11-02 12:28:28,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:28,128 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:28,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 175 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-02 12:28:28,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-02 12:28:28,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2024-11-02 12:28:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 52 states have internal predecessors, (62), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-02 12:28:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2024-11-02 12:28:28,167 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 120 [2024-11-02 12:28:28,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:28,168 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2024-11-02 12:28:28,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-02 12:28:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2024-11-02 12:28:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-02 12:28:28,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:28,173 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:28,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-02 12:28:28,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:28,374 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:28,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:28,375 INFO L85 PathProgramCache]: Analyzing trace with hash -253497832, now seen corresponding path program 1 times [2024-11-02 12:28:28,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:28,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884598893] [2024-11-02 12:28:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:28,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:28,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:28,381 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:28,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:28:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:28,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:28:28,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-02 12:28:29,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:29,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:29,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884598893] [2024-11-02 12:28:29,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884598893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:29,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:29,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:28:29,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308077676] [2024-11-02 12:28:29,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:29,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:29,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:29,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:29,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:29,660 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-02 12:28:30,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:30,717 INFO L93 Difference]: Finished difference Result 165 states and 241 transitions. [2024-11-02 12:28:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:30,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 120 [2024-11-02 12:28:30,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:30,741 INFO L225 Difference]: With dead ends: 165 [2024-11-02 12:28:30,741 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 12:28:30,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:30,744 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:30,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 72 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 12:28:30,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 12:28:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-02 12:28:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-02 12:28:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2024-11-02 12:28:30,773 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 120 [2024-11-02 12:28:30,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:30,774 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2024-11-02 12:28:30,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-02 12:28:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2024-11-02 12:28:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-02 12:28:30,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:30,779 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:30,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:28:30,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:30,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:30,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1521509530, now seen corresponding path program 1 times [2024-11-02 12:28:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:30,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774069859] [2024-11-02 12:28:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:30,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:30,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:30,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:30,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf5d880-13fe-43ba-b9bf-065e0ee77123/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:28:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:31,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-02 12:28:31,315 INFO L278 TraceCheckSpWp]: Computing forward predicates...